{"id":1413,"date":"2026-08-14T13:41:15","date_gmt":"2026-08-14T11:41:15","guid":{"rendered":"https:\/\/www.senetic.cz\/blog\/?p=1413"},"modified":"2026-08-14T15:07:09","modified_gmt":"2026-08-14T13:07:09","slug":"jaky-pocitac-pro-ai-vybrat-typy-parametry-a-vyuziti","status":"publish","type":"post","link":"https:\/\/www.senetic.cz\/blog\/1413,jaky-pocitac-pro-ai-vybrat-typy-parametry-a-vyuziti\/","title":{"rendered":"Jak\u00fd po\u010d\u00edta\u010d pro AI vybrat? Typy, parametry a vyu\u017eit\u00ed"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Jak\u00fd po\u010d\u00edta\u010d pro AI? Z\u00e1le\u017e\u00ed na pou\u017eit\u00ed a velikosti model\u016f: pro kancel\u00e1\u0159skou pr\u00e1ci obvykle sta\u010d\u00ed notebook nebo AI PC s jednotkou NPU, pro lok\u00e1ln\u00ed provoz v\u011bt\u0161\u00edch model\u016f je pot\u0159eba pracovn\u00ed stanice nebo stoln\u00ed superpo\u010d\u00edta\u010d pro AI a pro tr\u00e9nov\u00e1n\u00ed model\u016f od z\u00e1kladu bude nutn\u00fd GPU server nebo cloud. Tento pr\u016fvodce je ur\u010den firm\u00e1m, IT t\u00fdm\u016fm, mal\u00fdm a st\u0159edn\u00edm podnik\u016fm i ve\u0159ejn\u00fdm instituc\u00edm, kter\u00e9 pl\u00e1nuj\u00ed nasazen\u00ed AI.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Najdete zde \u010dty\u0159i t\u0159\u00eddy po\u010d\u00edta\u010d\u016f ur\u010den\u00fdch pro pr\u00e1ci s AI, jejich re\u00e1ln\u00e9 limity, kl\u00ed\u010dov\u00e9 parametry, jako jsou pam\u011b\u0165 a propustnost, i tabulku ukazuj\u00edc\u00ed, kolik zdroj\u016f je pot\u0159eba pro konkr\u00e9tn\u00ed sc\u00e9n\u00e1\u0159e pou\u017eit\u00ed. Jde o d\u016fle\u017eit\u00e9 rozhodnut\u00ed, proto\u017ee spr\u00e1vn\u011b zvolen\u00fd po\u010d\u00edta\u010d umo\u017e\u0148uje provozovat jazykov\u00e9 modely s vyu\u017eit\u00edm lok\u00e1ln\u00edch zdroj\u016f, chr\u00e1nit soukrom\u00ed dat a flexibiln\u011b i optim\u00e1ln\u011b vyu\u017e\u00edvat dostupn\u00fd v\u00fdpo\u010detn\u00ed v\u00fdkon.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/ec.europa.eu\/eurostat\/statistics-explained\/index.php?title=Use_of_artificial_intelligence_in_enterprises\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Podle zpr\u00e1vy Eurostatu<\/a> v roce 2025 vyu\u017e\u00edvalo technologie AI 20 % firem v Evropsk\u00e9 unii. O dva roky d\u0159\u00edve to bylo 8 %. U velk\u00fdch podnik\u016f tento pod\u00edl dosahuje ji\u017e 55 %, u mal\u00fdch 17 %. Adopce zrychluje, ale nerovnom\u011brn\u011b, a st\u00e1le v\u00edce t\u00fdm\u016f nyn\u00ed \u0159e\u0161\u00ed ot\u00e1zku vhodn\u00e9ho hardwaru.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.senetic.cz\/blog\/1413,jaky-pocitac-pro-ai-vybrat-typy-parametry-a-vyuziti\/#K_cemu_bude_tento_pocitac_slouzit\" >K \u010demu bude tento po\u010d\u00edta\u010d slou\u017eit?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.senetic.cz\/blog\/1413,jaky-pocitac-pro-ai-vybrat-typy-parametry-a-vyuziti\/#Typy_pocitacu_pro_AI\" >Typy po\u010d\u00edta\u010d\u016f pro AI<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.senetic.cz\/blog\/1413,jaky-pocitac-pro-ai-vybrat-typy-parametry-a-vyuziti\/#Hardwarove_pozadavky_kolik_pameti_potrebujete_a_proc_jde_o_nejdulezitejsi_parametr\" >Hardwarov\u00e9 po\u017eadavky: kolik pam\u011bti pot\u0159ebujete a pro\u010d jde o nejd\u016fle\u017eit\u011bj\u0161\u00ed parametr<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.senetic.cz\/blog\/1413,jaky-pocitac-pro-ai-vybrat-typy-parametry-a-vyuziti\/#Pamet_urcuje_co_se_vejde_Propustnost_urcuje_jak_rychle_model_odpovida\" >Pam\u011b\u0165 ur\u010duje, co se vejde. Propustnost ur\u010duje, jak rychle model odpov\u00edd\u00e1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.senetic.cz\/blog\/1413,jaky-pocitac-pro-ai-vybrat-typy-parametry-a-vyuziti\/#Prehled_znacek_a_rad\" >P\u0159ehled zna\u010dek a \u0159ad<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.senetic.cz\/blog\/1413,jaky-pocitac-pro-ai-vybrat-typy-parametry-a-vyuziti\/#Nejcastejsi_otazky\" >Nej\u010dast\u011bj\u0161\u00ed ot\u00e1zky<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"K_cemu_bude_tento_pocitac_slouzit\"><\/span><strong>K \u010demu bude tento po\u010d\u00edta\u010d slou\u017eit?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ne\u017e se pod\u00edv\u00e1te na parametry, ur\u010dete sc\u00e9n\u00e1\u0159 pou\u017eit\u00ed. Pr\u00e1v\u011b ten rozhoduje o v\u00fdb\u011bru, nikoli samotn\u00e9 technick\u00e9 \u00fadaje. <strong>Nejlep\u0161\u00ed po\u010d\u00edta\u010d pro AI je ten, jeho\u017e konfigurace a rozpo\u010det odpov\u00eddaj\u00ed konkr\u00e9tn\u00edm oblastem vyu\u017eit\u00ed um\u011bl\u00e9 inteligence.<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>AI asistence p\u0159i ka\u017edodenn\u00ed pr\u00e1ci.<\/strong> P\u0159epis sch\u016fzek, generov\u00e1n\u00ed a \u00fapravy text\u016f, asistent integrovan\u00fd v syst\u00e9mu, filtry p\u0159i videokonferenc\u00edch. Modely funguj\u00ed v cloudu nebo lok\u00e1ln\u011b, jsou v\u0161ak mal\u00e9 a hardware v\u00fdrazn\u011b nezat\u011b\u017euj\u00ed.<\/li>\n\n\n\n<li><strong>Lok\u00e1ln\u00ed provoz hotov\u00fdch model\u016f.<\/strong> Firma si st\u00e1hne open-source model a pou\u017e\u00edv\u00e1 jej ve vlastn\u00edm prost\u0159ed\u00ed: pro anal\u00fdzu dokument\u016f, vy\u0159izov\u00e1n\u00ed z\u00e1kaznick\u00fdch dotaz\u016f nebo generov\u00e1n\u00ed obr\u00e1zk\u016f. Do t\u00e9to skupiny pat\u0159\u00ed tak\u00e9 anal\u00fdza dat a jednodu\u0161\u0161\u00ed projekty strojov\u00e9ho u\u010den\u00ed. Data neopou\u0161t\u011bj\u00ed organizaci. Zde za\u010d\u00ednaj\u00ed skute\u010dn\u00e9 hardwarov\u00e9 n\u00e1roky.<\/li>\n\n\n\n<li><strong>Dola\u010fov\u00e1n\u00ed model\u016f na vlastn\u00edch datech.<\/strong> Fine-tuning a LoRA umo\u017e\u0148uj\u00ed modelu osvojit si terminologii, postupy a kontext konkr\u00e9tn\u00ed firmy. Vy\u017eaduj\u00ed v\u00fdrazn\u011b v\u00edce pam\u011bti ne\u017e samotn\u00fd provoz hotov\u00e9ho modelu.<\/li>\n\n\n\n<li><strong>Tr\u00e9nov\u00e1n\u00ed modelu od z\u00e1kladu.<\/strong> Vytvo\u0159en\u00ed vlastn\u00edho modelu od z\u00e1kladu. Jde o \u00falohu pro infrastrukturu datov\u00e9ho centra, nikoli pro po\u010d\u00edta\u010d na stole.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Prvn\u00ed dva sc\u00e9n\u00e1\u0159e zvl\u00e1dne hardware, kter\u00fd u\u017e \u0159ada firem m\u00e1 nebo jej po\u0159\u00edd\u00ed bez v\u011bt\u0161\u00edch investic. T\u0159et\u00ed vy\u017eaduje promy\u0161len\u00e9 rozhodnut\u00ed o t\u0159\u00edd\u011b za\u0159\u00edzen\u00ed. \u010ctvrt\u00fd v praxi znamen\u00e1 cloud nebo serverovnu. Toto rozd\u011blen\u00ed usnad\u0148uje v\u00fdb\u011br tak\u00e9 AI v\u00fdvoj\u00e1\u0159\u016fm a datov\u00fdm analytik\u016fm, kte\u0159\u00ed nej\u010dast\u011bji pracuj\u00ed ve dvou prost\u0159edn\u00edch sc\u00e9n\u00e1\u0159\u00edch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Typy_pocitacu_pro_AI\"><\/span><strong>Typy po\u010d\u00edta\u010d\u016f pro AI<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>AI PC s jednotkou NPU<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Po\u010d\u00edta\u010d nebo notebook se specializovanou jednotkou NPU navr\u017eenou pro \u00falohy um\u011bl\u00e9 inteligence. Zpracov\u00e1v\u00e1 je energeticky \u00fasporn\u011b, bez zat\u00ed\u017een\u00ed procesoru a grafick\u00e9 karty a bez odes\u00edl\u00e1n\u00ed dat do cloudu. Vstupn\u00ed hranic\u00ed je 40 TOPS (bilion\u016f operac\u00ed za sekundu). Tolik vy\u017eaduje certifikace Copilot+, kter\u00e1 je dnes k dispozici v notebooc\u00edch s procesory Intel Core Ultra, AMD Ryzen AI a Snapdragon X.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Vhodn\u00e9 pro:<\/strong> asistenci p\u0159i kancel\u00e1\u0159sk\u00e9 pr\u00e1ci, p\u0159epis, p\u0159eklady, pou\u017e\u00edv\u00e1n\u00ed syst\u00e9mov\u00e9ho asistenta a provoz men\u0161\u00edch lok\u00e1ln\u00edch model\u016f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kde jsou limity:<\/strong> u model\u016f v\u011bt\u0161\u00edch ne\u017e n\u011bkolik miliard parametr\u016f. AI PC nen\u00ed po\u010d\u00edta\u010d pro dola\u010fov\u00e1n\u00ed ani tr\u00e9nov\u00e1n\u00ed model\u016f a ani to nen\u00ed jeho \u00fa\u010delem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>P\u0159\u00edklad: <\/strong><a href=\"https:\/\/www.senetic.cz\/product\/YHY2D\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Dell Pro 16<\/strong><\/a> s jednotkou AMD Ryzen AI<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Pracovn\u00ed stanice s kartou NVIDIA RTX<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Klasick\u00e1 pracovn\u00ed stanice s profesion\u00e1ln\u00ed grafickou kartou NVIDIA. Pro po\u010d\u00edta\u010de ur\u010den\u00e9 pro AI se obvykle vol\u00ed karty NVIDIA RTX, proto\u017ee jejich j\u00e1dra Tensor urychluj\u00ed v\u00fdpo\u010dty model\u016f um\u011bl\u00e9 inteligence a strojov\u00e9ho u\u010den\u00ed. Stejn\u011b d\u016fle\u017eit\u00fd je softwarov\u00fd ekosyst\u00e9m CUDA, kter\u00fd se stal standardem pro v\u011bt\u0161inu n\u00e1stroj\u016f a knihoven. V\u00fdpo\u010dty zde zaji\u0161\u0165uje grafick\u00fd procesor a kl\u00ed\u010dov\u00fdm parametrem je kapacita pam\u011bti VRAM na kart\u011b \u2013 od 16 GB v z\u00e1kladn\u00edch variant\u00e1ch a\u017e po 96 GB u karet RTX PRO Blackwell. V\u00fdhodou je velmi vysok\u00e1 propustnost pam\u011bti, tedy re\u00e1ln\u00e1 rychlost provozu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Vhodn\u00e9 pro:<\/strong> generov\u00e1n\u00ed obrazu a videa, pr\u00e1ci s jazykov\u00fdmi modely do p\u0159ibli\u017en\u011b 32 miliard parametr\u016f, rendering a v\u00fdpo\u010dty \u2013 v\u0161ude tam, kde z\u00e1le\u017e\u00ed na dob\u011b odezvy. Pro jazykov\u00e9 modely je praktick\u00fdm minimem 12\u201316 GB VRAM.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kde jsou limity:<\/strong> u model\u016f 70B a v\u011bt\u0161\u00edch. Ty se vejdou pouze do nejdra\u017e\u0161\u00edch karet s 96 GB VRAM, modely nad 120B u\u017e nikoli. Roz\u0161\u00ed\u0159en\u00ed pak znamen\u00e1 konfiguraci s v\u00edce GPU s odpov\u00eddaj\u00edc\u00edm nap\u00e1jen\u00edm, chlazen\u00edm a n\u00e1klady.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>P\u0159\u00edklad: Lenovo ThinkStation P3 Tower Gen 2<\/strong> \u2013 pracovn\u00ed stanice s profesion\u00e1ln\u00ed kartou NVIDIA RTX a 16 GB pam\u011bti VRAM.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Stoln\u00ed superpo\u010d\u00edta\u010d pro AI<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nejnov\u011bj\u0161\u00ed t\u0159\u00edda za\u0159\u00edzen\u00ed postaven\u00e1 na super\u010dipu NVIDIA GB10 Grace Blackwell p\u0159in\u00e1\u0161\u00ed pr\u00e1ci s velk\u00fdmi modely p\u0159\u00edmo na st\u016fl. <\/strong>Kombinuje procesor a grafick\u00fd \u010dip se sd\u00edlen\u00fdm fondem 128 GB unifikovan\u00e9 pam\u011bti, kter\u00fd je cel\u00fd k dispozici pro model, bez pevn\u00e9ho rozd\u011blen\u00ed na RAM a VRAM. Za\u0159\u00edzen\u00ed je velk\u00e9 jako kniha, spot\u0159ebov\u00e1v\u00e1 tolik energie jako v\u00fdkonn\u00fd notebook a pracuje ti\u0161e, p\u0159itom podporuje cel\u00fd ekosyst\u00e9m NVIDIA: CUDA, kontejnery NGC, PyTorch, Ollama. Nejv\u011bt\u0161\u00ed p\u0159ednost\u00ed t\u00e9to t\u0159\u00eddy je \u00fapln\u00e1 kontrola nad daty p\u0159i lok\u00e1ln\u00edm provozu model\u016f AI.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Vhodn\u00e9 pro:<\/strong> lok\u00e1ln\u00ed provoz velk\u00fdch model\u016f (do p\u0159ibli\u017en\u011b 200 miliard parametr\u016f), prototypov\u00e1n\u00ed, dola\u010fov\u00e1n\u00ed model\u016f metodami LoRA a QLoRA i pr\u00e1ci s daty, kter\u00e1 nemohou opustit firmu. Hod\u00ed se tak\u00e9 pro testov\u00e1n\u00ed vlastn\u00edch AI aplikac\u00ed a experimentov\u00e1n\u00ed v kr\u00e1tk\u00fdch iterac\u00edch, kde je d\u016fle\u017eit\u00e1 rychlost ov\u011b\u0159ov\u00e1n\u00ed dal\u0161\u00edch n\u00e1pad\u016f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kde jsou limity:<\/strong> p\u0159i tr\u00e9nov\u00e1n\u00ed model\u016f od nuly a p\u0159i produk\u010dn\u00edm obsluhov\u00e1n\u00ed mnoha u\u017eivatel\u016f sou\u010dasn\u011b. Jde o hardware pro t\u00fdm pracuj\u00edc\u00ed na modelu, nikoli o aplika\u010dn\u00ed server pro celou organizaci.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>P\u0159\u00edklad: <\/strong><a href=\"https:\/\/www.senetic.cz\/product\/90MS0371-M00030\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Asus Ascent GX10<\/strong><\/a> &#8211; kompaktn\u00ed stoln\u00ed superpo\u010d\u00edta\u010d AI se super\u010dipem GB10, ur\u010den\u00fd pro v\u00fdvoj\u00e1\u0159e a in\u017een\u00fdry AI a datov\u00e9 in\u017een\u00fdry.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>GPU server a cloud<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Serverov\u00e1 infrastruktura s akceler\u00e1tory t\u0159\u00eddy H100, H200 nebo Blackwell \u2014 vlastn\u00ed nebo pronajat\u00e1 v cloudu. Nab\u00edz\u00ed mnohon\u00e1sobn\u011b vy\u0161\u0161\u00ed v\u00fdkon a propustnost, m\u00e1 v\u0161ak tak\u00e9 sv\u00e9 po\u017eadavky: rack, nap\u00e1jen\u00ed a chlazen\u00ed po\u010d\u00edtan\u00e9 v kilowattech.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Vhodn\u00e9 pro:<\/strong> tr\u00e9nov\u00e1n\u00ed model\u016f od z\u00e1klad\u016f, obsluhu mnoha u\u017eivatel\u016f, nasazen\u00ed vy\u017eaduj\u00edc\u00ed soub\u011b\u017en\u00e9 prov\u00e1d\u011bn\u00ed mnoha operac\u00ed a pr\u00e1ci v re\u00e1ln\u00e9m \u010dase.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kde jsou limity:<\/strong> v n\u00e1kladech a datech. Cloud znamen\u00e1, \u017ee informace opou\u0161t\u011bj\u00ed firmu, a to st\u00e1le p\u0159edstavuje jednu z hlavn\u00edch p\u0159ek\u00e1\u017eek nasazen\u00ed AI.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ne\u017e v\u0161ak s\u00e1hnete po serverovn\u011b, stoj\u00ed za to prov\u011b\u0159it mezikrok. Stoln\u00ed superpo\u010d\u00edta\u010de AI lze propojit po dvou jednotk\u00e1ch a z\u00edskat tak 256 GB sd\u00edlen\u00e9 pam\u011bti \u2014 dostate\u010dn\u011b pro pr\u00e1ci s modely o velikosti 405 miliard parametr\u016f, ani\u017e by data opustila kancel\u00e1\u0159 a bylo nutn\u00e9 investovat do infrastruktury.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>P\u0159\u00edklad: <\/strong><a href=\"https:\/\/www.senetic.cz\/product\/CZ9K0ET_ABF\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>HP ZGX Nano G1n<\/strong><\/a> &#8211; dv\u011b takov\u00e9 jednotky propojen\u00e9 rozhran\u00edm ConnectX-7 poskytuj\u00ed 256 GB sd\u00edlen\u00e9 pam\u011bti.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hardwarove_pozadavky_kolik_pameti_potrebujete_a_proc_jde_o_nejdulezitejsi_parametr\"><\/span><strong>Hardwarov\u00e9 po\u017eadavky: kolik pam\u011bti pot\u0159ebujete a pro\u010d jde o nejd\u016fle\u017eit\u011bj\u0161\u00ed parametr<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Pam\u011b\u0165 rozhoduje o tom, zda se model v\u016fbec spust\u00ed. <\/strong>V pracovn\u00ed stanici jde o VRAM grafick\u00e9 karty, ve stoln\u00edch superpo\u010d\u00edta\u010d\u00edch AI pak o unifikovanou pam\u011b\u0165 sd\u00edlenou procesorem a grafick\u00fdm \u010dipem. Z pohledu u\u017eivatele je podstatn\u00e9 jedin\u00e9: kolik pam\u011bti je pro model skute\u010dn\u011b k dispozici. Opera\u010dn\u00ed pam\u011b\u0165 a VRAM p\u0159itom nejsou zam\u011bniteln\u00e9, proto\u017ee pln\u00ed odli\u0161n\u00e9 role a vol\u00ed se samostatn\u011b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ozna\u010den\u00ed jako 7B nebo 70B ud\u00e1vaj\u00ed po\u010det parametr\u016f modelu, konkr\u00e9tn\u011b 7 a 70 miliard. Parametry jsou hodnoty, kter\u00e9 si model osvojil b\u011bhem tr\u00e9nov\u00e1n\u00ed a mus\u00ed je na\u010d\u00edst do pam\u011bti, aby fungoval. \u010c\u00edm v\u00edce jich je, t\u00edm vy\u0161\u0161\u00ed je kvalita odpov\u011bd\u00ed, ale tak\u00e9 hardwarov\u00e9 n\u00e1roky.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Po\u017eadavky z\u00e1vis\u00ed na po\u010dtu parametr\u016f modelu a na kvantizaci, tedy p\u0159esnosti z\u00e1pisu. Pravidlo je jednoduch\u00e9: p\u0159i 4bitov\u00e9 kvantizaci (Q4) pot\u0159ebuje model p\u0159ibli\u017en\u011b 0,5\u20130,6 GB na ka\u017edou miliardu parametr\u016f, p\u0159i 8bitov\u00e9 (Q8) zhruba 1 GB a p\u0159i pln\u00e9 p\u0159esnosti FP16 p\u0159ibli\u017en\u011b 2 GB. K tomu je nutn\u00e9 p\u0159ipo\u010d\u00edtat rezervu 10\u201320%.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Model<\/strong><\/td><td><strong>Q4 (4bit)<\/strong><\/td><td><strong>Q8 (8bit)<\/strong><\/td><td><strong>FP16<\/strong><\/td><\/tr><tr><td>7B \/ 8B<\/td><td>5\u20138 GB<\/td><td>8\u201310 GB<\/td><td>14\u201316 GB<\/td><\/tr><tr><td>13B<\/td><td>8\u201310 GB<\/td><td>14 GB<\/td><td>26 GB<\/td><\/tr><tr><td>30\u201334B<\/td><td>p\u0159ibl. 20 GB<\/td><td>p\u0159ibl. 34 GB<\/td><td>p\u0159ibl. 64 GB<\/td><\/tr><tr><td>70B<\/td><td>40\u201348 GB<\/td><td>p\u0159ibl. 70 GB<\/td><td>p\u0159ibl. 140 GB<\/td><\/tr><tr><td>120B (MoE)<\/td><td>65\u201375 GB<\/td><td>\u2014<\/td><td>\u2014<\/td><\/tr><tr><td>200B (FP4)<\/td><td>vejde se do 128 GB<\/td><td>\u2014<\/td><td>\u2014<\/td><\/tr><tr><td>405B<\/td><td>256 GB (dv\u011b jednotky)<\/td><td>\u2014<\/td><td>p\u0159ibl. 810 GB<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Hodnoty ve sloupci Q4 ji\u017e zahrnuj\u00ed rezervu pro KV-cache a re\u017eii. Sloupce Q8 a FP16 uv\u00e1d\u011bj\u00ed velikost samotn\u00fdch vah modelu a je k nim nutn\u00e9 p\u0159ipo\u010d\u00edtat dal\u0161\u00edch 10\u201320%. Model 405B se na dv\u011b propojen\u00e9 jednotky vejde pouze p\u0159i 4bitov\u00e9m z\u00e1pisu (Q4).<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159i generov\u00e1n\u00ed obr\u00e1zk\u016f jsou po\u017eadavky ni\u017e\u0161\u00ed: Stable Diffusion 1.5 funguje od 4\u20136 GB, SDXL pohodln\u011b od 12\u201316 GB, nov\u011bj\u0161\u00ed modely t\u0159\u00eddy FLUX vy\u017eaduj\u00ed 24\u201348 GB. Tr\u00e9nov\u00e1n\u00ed vlastn\u00edho LoRA pro SDXL se vejde do 16\u201324 GB.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V prost\u0159ed\u00edch data science z\u016fst\u00e1v\u00e1 standardem 32 GB pam\u011bti RAM, a\u010dkoli pr\u00e1ce s velk\u00fdmi lok\u00e1ln\u00edmi modely m\u016f\u017ee vy\u017eadovat v\u00edce. Dola\u010fov\u00e1n\u00ed metodou LoRA nebo QLoRA je provediteln\u00e9 i pro model 70B na jedn\u00e9 jednotce s 128 GB unifikovan\u00e9 pam\u011bti. Pln\u00e9 tr\u00e9nov\u00e1n\u00ed velk\u00fdch model\u016f z\u016fst\u00e1v\u00e1 dom\u00e9nou hardwaru pro datov\u00e1 centra.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pamet_urcuje_co_se_vejde_Propustnost_urcuje_jak_rychle_model_odpovida\"><\/span><strong>Pam\u011b\u0165 ur\u010duje, co se vejde. Propustnost ur\u010duje, jak rychle model odpov\u00edd\u00e1<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Druh\u00fdm parametrem, o kter\u00e9m se mluv\u00ed jen z\u0159\u00eddka, ale kter\u00fd rozhoduje o ka\u017edodenn\u00edm komfortu pr\u00e1ce, je propustnost pam\u011bti. Mno\u017estv\u00ed pam\u011bti ur\u010duje, zda se model v\u016fbec na\u010dte; propustnost pak to, jak rychle bude generovat dal\u0161\u00ed slova odpov\u011bdi.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Za\u0159\u00edzen\u00ed<\/strong><\/td><td><strong>Propustnost pam\u011bti<\/strong><\/td><\/tr><tr><td>Stoln\u00ed superpo\u010d\u00edta\u010d AI (GB10)<\/td><td>273 GB\/s<\/td><\/tr><tr><td>Apple Mac Studio M3 Ultra<\/td><td>819 GB\/s<\/td><\/tr><tr><td>NVIDIA RTX 4090<\/td><td>p\u0159ibl. 1008 GB\/s<\/td><\/tr><tr><td>NVIDIA RTX 5090<\/td><td>p\u0159ibl. 1792 GB\/s<\/td><\/tr><tr><td>NVIDIA H100 (HBM3)<\/td><td>p\u0159ibl. 3350 GB\/s<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Na prvn\u00ed pohled se z\u00e1v\u011br zd\u00e1 z\u0159ejm\u00fd: kdy\u017e m\u00e1 H100 dvan\u00e1ctkr\u00e1t vy\u0161\u0161\u00ed propustnost, pro\u010d by n\u011bkdo pot\u0159eboval za\u0159\u00edzen\u00ed s 273 GB\/s? Toto srovn\u00e1n\u00ed je v\u0161ak zav\u00e1d\u011bj\u00edc\u00ed, proto\u017ee tato za\u0159\u00edzen\u00ed si navz\u00e1jem nekonkuruj\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>H100 je akceler\u00e1tor pro server v racku<\/strong>, kter\u00fd stoj\u00ed n\u011bkolik des\u00edtek tis\u00edc dolar\u016f pouze za samotn\u00fd \u010dip a vy\u017eaduje infrastrukturu serverovny. Stoln\u00ed superpo\u010d\u00edta\u010d AI stoj\u00ed na stole a spot\u0159ebov\u00e1v\u00e1 tolik energie jako v\u00fdkonn\u00fd notebook. Obliba t\u00e9to t\u0159\u00eddy nevych\u00e1z\u00ed z rychlosti, ale z toho, \u017ee 128 GB pam\u011bti v podob\u011b takto mal\u00e9ho po\u010d\u00edta\u010de bylo d\u0159\u00edve za tuto cenu nedosa\u017eiteln\u00e9. Firma d\u0159\u00edve m\u011bla t\u0159i mo\u017enosti: kartu RTX s 24\u201332 GB, tedy p\u0159\u00edli\u0161 m\u00e1lo pro velk\u00e9 modely; server s H100, tedy p\u0159\u00edli\u0161 drah\u00fd a s po\u017eadavkem na serverovnu; nebo cloud, co\u017e znamen\u00e1, \u017ee data odch\u00e1zej\u00ed mimo firmu.<strong> Nov\u00e1 t\u0159\u00edda za\u0159\u00edzen\u00ed vypl\u0148uje mezeru mezi nimi.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Je to trochu jako srovn\u00e1vat dod\u00e1vku se sportovn\u00edm vozem. Sportovn\u00ed v\u016fz jede rychleji, ale o to zde nejde. D\u016fle\u017eit\u00e9 je, kolik se do n\u011bj vejde a kolik stoj\u00ed.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V praxi to vypad\u00e1 takto: model 70B v jednom streamu generuje odpov\u011b\u010f pomalu, znateln\u011b pomaleji ne\u017e na serveru. Generuje ji v\u0161ak lok\u00e1ln\u011b, bez odes\u00edl\u00e1n\u00ed dat do cloudu a bez investic do serverovny. P\u0159i v\u011bt\u0161\u00edm po\u010dtu soub\u011b\u017en\u00fdch dotaz\u016f, nap\u0159\u00edklad v pipelinech nebo agentech, celkov\u00fd v\u00fdkon roste. Pro prototypov\u00e1n\u00ed, dola\u010fov\u00e1n\u00ed a t\u00fdmovou pr\u00e1ci na modelu to pln\u011b posta\u010duje.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ostatn\u00ed komponenty maj\u00ed druho\u0159ad\u00fd, nikoli v\u0161ak nulov\u00fd v\u00fdznam. Rychl\u00fd disk NVMe zkracuje dobu na\u010d\u00edt\u00e1n\u00ed model\u016f a ovliv\u0148uje celkov\u00fd v\u00fdkon pr\u00e1ce, proto by specifikace po\u010d\u00edta\u010de pro AI m\u011bla zahrnovat GPU, procesor, pam\u011b\u0165 RAM a SSD NVMe. U hotov\u00fdch za\u0159\u00edzen\u00ed jsou ostatn\u00ed komponenty zvoleny pro konkr\u00e9tn\u00ed konfiguraci, tak\u017ee je nen\u00ed t\u0159eba posuzovat samostatn\u011b. Jedinou volbou, kterou skute\u010dn\u011b \u010din\u00edte, je kapacita disku; tu je vhodn\u00e9 p\u0159izp\u016fsobit velikosti model\u016f a datov\u00fdch sad, se kter\u00fdmi pracujete.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Prehled_znacek_a_rad\"><\/span><strong>P\u0159ehled zna\u010dek a \u0159ad<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>V\u0161echny dnes dostupn\u00e9 stoln\u00ed superpo\u010d\u00edta\u010de pro AI jsou zalo\u017eeny na stejn\u00e9m super\u010dipu NVIDIA GB10 a maj\u00ed stejnou kapacitu 128 GB unifikovan\u00e9 pam\u011bti.<\/strong> V\u00fdrobci je v\u00fdkonov\u011b nerozli\u0161uj\u00ed. <strong>Jednotliv\u00e9 konfigurace se li\u0161\u00ed kapacitou disku, sk\u0159\u00edn\u00ed a chlazen\u00edm, opera\u010dn\u00edm syst\u00e9mem i rozsahem z\u00e1ruky a podpory.<\/strong> P\u0159i n\u00e1kupu jde o d\u016fle\u017eitou informaci: porovn\u00e1vat tato za\u0159\u00edzen\u00ed podle v\u00fdpo\u010detn\u00edho v\u00fdkonu ned\u00e1v\u00e1 smysl, rozhoduj\u00edc\u00ed je soulad s procesy a po\u017eadavky konkr\u00e9tn\u00ed firmy.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.senetic.cz\/category\/potae-pro-ai-30635\/?f_page=1&amp;f_size=24&amp;f_order=bestsellers&amp;cat=custom_ai_computers_78420152401&amp;f_s_manufacturer=nvidia\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>NVIDIA DGX Spark<\/strong><\/a> &#8211; referen\u010dn\u00ed verze a m\u011b\u0159\u00edtko pro celou t\u0159\u00eddu za\u0159\u00edzen\u00ed. NVIDIA na n\u00ed stav\u00ed dokumentaci i technick\u00e9 materi\u00e1ly, tak\u017ee se popisy v\u00fdkonu a testy zve\u0159ej\u0148ovan\u00e9 online nej\u010dast\u011bji t\u00fdkaj\u00ed pr\u00e1v\u011b t\u00e9to varianty. Dod\u00e1v\u00e1 se s prostorn\u00fdm rychl\u00fdm diskem a charakteristickou sk\u0159\u00edn\u00ed, kter\u00e1 ji odli\u0161uje od konstrukc\u00ed partner\u016f.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.senetic.cz\/category\/potae-pro-ai-30635\/?f_page=1&amp;f_size=24&amp;f_order=bestsellers&amp;cat=custom_ai_computers_78420152401&amp;f_s_manufacturer=lenovo\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Lenovo ThinkStation PGX<\/strong><\/a> &#8211; \u0159ada ThinkStation s rozs\u00e1hl\u00fdm servisn\u00edm z\u00e1zem\u00edm a technickou podporou. Jde o nejv\u00edce zastoupenou zna\u010dku v t\u00e9to kategorii: k dispozici je mnoho variant li\u0161\u00edc\u00edch se kapacitou disku, opera\u010dn\u00edm syst\u00e9mem a z\u00e1ru\u010dn\u00edm bal\u00ed\u010dkem. P\u0159irozen\u00e1 volba pro organizace, kter\u00e9 ji\u017e maj\u00ed zaveden\u00e9 n\u00e1kupn\u00ed a servisn\u00ed procesy s Lenovo.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.senetic.cz\/category\/potae-pro-ai-30635\/?f_page=1&amp;f_size=24&amp;f_order=bestsellers&amp;cat=custom_ai_computers_78420152401&amp;f_s_manufacturer=hpinc\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>HP ZGX Nano G1n<\/strong><\/a> &#8211; k dispozici tak\u00e9 ve variant\u011b bez r\u00e1diov\u00e9ho modulu, ur\u010den\u00e9 pro prost\u0159ed\u00ed se zp\u0159\u00edsn\u011bn\u00fdmi bezpe\u010dnostn\u00edmi po\u017eadavky. V t\u00e9to t\u0159\u00edd\u011b jde o vz\u00e1cnou mo\u017enost a skute\u010dnou v\u00fdhodu v\u0161ude tam, kde bezpe\u010dnostn\u00ed politika vylu\u010duje bezdr\u00e1tov\u00e9 p\u0159ipojen\u00ed, nap\u0159\u00edklad ve ve\u0159ejn\u00e9 spr\u00e1v\u011b, finan\u010dn\u00edm sektoru nebo odd\u011blen\u00fdch s\u00edt\u00edch. Za\u0159\u00edzen\u00ed se dod\u00e1v\u00e1 se syst\u00e9mem zalo\u017een\u00fdm na Linuxu, p\u0159ipraven\u00fdm pro pr\u00e1ci s modely.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.senetic.cz\/category\/potae-pro-ai-30635\/?f_page=1&amp;f_size=24&amp;f_order=bestsellers&amp;cat=custom_ai_computers_78420152401&amp;f_s_manufacturer=dell\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Dell Pro Max<\/strong><\/a> &#8211; p\u0159irozen\u00e1 volba pro organizace po\u0159izuj\u00edc\u00ed vybaven\u00ed v r\u00e1mci podnikov\u00fdch smluv se spole\u010dnost\u00ed Dell, co\u017e zjednodu\u0161uje administrativu p\u0159i rozs\u00e1hlej\u0161\u00edch nasazen\u00edch. Ve standardn\u00ed konfiguraci je k dispozici s prostorn\u00fdm diskem bez nutnosti dokupovat \u00falo\u017ei\u0161t\u011b.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.senetic.cz\/category\/potae-pro-ai-30635\/?f_page=1&amp;f_size=24&amp;f_order=bestsellers&amp;cat=custom_ai_computers_78420152401&amp;f_s_manufacturer=asus\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>ASUS Ascent GX10<\/strong><\/a> &#8211; kompaktn\u00ed konstrukce. Dostupn\u00e9 varianty s r\u016fznou kapacitou disku umo\u017e\u0148uj\u00ed za\u010d\u00edt s men\u0161\u00ed konfigurac\u00ed a sn\u00ed\u017eit vstupn\u00ed n\u00e1klady, pokud firma teprve testuje pr\u00e1ci s lok\u00e1ln\u00edmi modely. Konstrukce umo\u017e\u0148uje stav\u011bt jednotky na sebe, co\u017e usnad\u0148uje pozd\u011bj\u0161\u00ed roz\u0161\u00ed\u0159en\u00ed.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.senetic.cz\/category\/potae-pro-ai-30635\/?f_page=1&amp;f_size=24&amp;f_order=bestsellers&amp;cat=custom_ai_computers_78420152401&amp;f_s_manufacturer=gigabyte\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Gigabyte AI TOP ATOM<\/strong><\/a> a<a href=\"https:\/\/www.senetic.cz\/category\/potae-pro-ai-30635\/?f_page=1&amp;f_size=24&amp;f_order=bestsellers&amp;cat=custom_ai_computers_78420152401&amp;f_s_manufacturer=msi\" target=\"_blank\" rel=\"noreferrer noopener\"> <strong>MSI EdgeXpert<\/strong><\/a> &#8211; varianty s d\u016frazem na prostorn\u00e9 a rychl\u00e9 \u00falo\u017ei\u0161t\u011b. To je d\u016fle\u017eit\u00e9 p\u0159i pr\u00e1ci s velk\u00fdmi datov\u00fdmi sadami a v\u00edce modely sou\u010dasn\u011b, kdy samotn\u00e9 soubory model\u016f zab\u00edraj\u00ed stovky gigabajt\u016f. Uplatn\u00ed se tak\u00e9 tam, kde m\u00e1 za\u0159\u00edzen\u00ed pracovat mimo serverovnu, bl\u00edzko m\u00edsta vzniku dat.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.senetic.cz\/category\/potae-pro-ai-30635\/?f_page=1&amp;f_size=24&amp;f_order=bestsellers&amp;cat=custom_ai_computers_78420152401&amp;f_s_manufacturer=acer\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Acer Veriton GN100<\/strong><\/a> &#8211; konstrukce, kter\u00e1 dob\u0159e odv\u00e1d\u00ed teplo. Ve srovn\u00e1n\u00ed s jin\u00fdmi za\u0159\u00edzen\u00edmi t\u00e9to t\u0159\u00eddy se zah\u0159\u00edv\u00e1 nejm\u00e9n\u011b, co\u017e zaji\u0161\u0165uje stabiln\u00ed provoz p\u0159i dlouh\u00fdch \u00faloh\u00e1ch, jako je dola\u010fov\u00e1n\u00ed model\u016f, kdy je hardware bez p\u0159eru\u0161en\u00ed zat\u00ed\u017een po mnoho hodin.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nejcastejsi_otazky\"><\/span><strong>Nej\u010dast\u011bj\u0161\u00ed ot\u00e1zky<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Jak\u00fd je rozd\u00edl mezi b\u011b\u017en\u00fdm po\u010d\u00edta\u010dem a AI PC?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">AI PC m\u00e1 vyhrazen\u00fd \u010dip NPU, kter\u00fd zpracov\u00e1v\u00e1 \u00falohy um\u011bl\u00e9 inteligence lok\u00e1ln\u011b a energeticky \u00fasporn\u011b. AI zvl\u00e1dne i b\u011b\u017en\u00fd po\u010d\u00edta\u010d, ale bude ji zpracov\u00e1vat procesorem nebo grafickou kartou &#8211; pomaleji a s vy\u0161\u0161\u00ed spot\u0159ebou energie.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Kolik RAM je pot\u0159eba pro pr\u00e1ci s AI?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pro kancel\u00e1\u0159sk\u00e9 vyu\u017eit\u00ed s podporou AI posta\u010d\u00ed 16 GB, pohodlnou pr\u00e1ci zajist\u00ed 32 GB. V prost\u0159ed\u00edch data science je standardem 32 GB RAM a pr\u00e1ce s lok\u00e1ln\u00edmi modely \u010dasto vy\u017eaduje v\u00edce. Kl\u00ed\u010dov\u00e1 v\u0161ak nen\u00ed jen syst\u00e9mov\u00e1 pam\u011b\u0165, ale tak\u00e9 pam\u011b\u0165 dostupn\u00e1 pro grafick\u00fd \u010dip, tedy VRAM nebo unifikovan\u00e1 pam\u011b\u0165.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Kolik VRAM je pot\u0159eba pro spu\u0161t\u011bn\u00ed modelu 7B, 13B nebo 70B?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159i 4bitov\u00e9 kvantizaci: p\u0159ibli\u017en\u011b 5\u20138 GB pro model 7B, 8\u201310 GB pro 13B a 40\u201348 GB pro 70B. V praxi za\u010d\u00edn\u00e1 minimum pro jazykov\u00e9 modely na 12\u201316 GB VRAM v z\u00e1vislosti na kvantizaci.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Je pro AI d\u016fle\u017eit\u011bj\u0161\u00ed procesor, nebo grafick\u00e1 karta?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Grafick\u00e1 karta nebo specializovan\u00fd akceler\u00e1tor. Procesor zaji\u0161\u0165uje p\u0159\u00edpravu dat, ale vlastn\u00ed v\u00fdpo\u010dty prov\u00e1d\u00ed GPU. \u010cipy s j\u00e1dry Tensor urychluj\u00ed \u00falohy strojov\u00e9ho u\u010den\u00ed \u00fa\u010dinn\u011bji ne\u017e samotn\u00fd procesor.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Co je unifikovan\u00e1 pam\u011b\u0165 a jak se li\u0161\u00ed od VRAM?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">VRAM je pam\u011b\u0165 trvale p\u0159i\u0159azen\u00e1 ke grafick\u00e9 kart\u011b. Unifikovan\u00e1 pam\u011b\u0165 je spole\u010dn\u00fd fond sd\u00edlen\u00fd procesorem a grafick\u00fdm \u010dipem. D\u00edky tomu za\u0159\u00edzen\u00ed se 128 GB unifikovan\u00e9 pam\u011bti spust\u00ed model, kter\u00fd by se neve\u0161el do \u017e\u00e1dn\u00e9 samostatn\u00e9 grafick\u00e9 karty. Jej\u00ed nev\u00fdhodou je ni\u017e\u0161\u00ed propustnost, tak\u017ee odpov\u011bdi se generuj\u00ed pomaleji.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Co je NPU a kolik TOPS pot\u0159ebuji?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">NPU je \u010dip specializovan\u00fd na v\u00fdpo\u010dty um\u011bl\u00e9 inteligence. TOPS ud\u00e1v\u00e1 jeho v\u00fdkon. Pro kancel\u00e1\u0159sk\u00e9 vyu\u017eit\u00ed s podporou AI posta\u010duje 40 TOPS, tedy hranice pro certifikaci Copilot+. U v\u011bt\u0161\u00edch model\u016f p\u0159est\u00e1v\u00e1 b\u00fdt TOPS relevantn\u00edm ukazatelem; rozhoduj\u00edc\u00ed jsou pak pam\u011b\u0165 a propustnost.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Funguje AI ve Windows, nebo je pot\u0159eba Linux?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">AI funguje ve Windows. Profesion\u00e1ln\u00ed n\u00e1stroje pro pr\u00e1ci s velk\u00fdmi modely jsou v\u0161ak vyv\u00edjeny p\u0159edev\u0161\u00edm pro Linux, proto se desktopov\u00e9 superpo\u010d\u00edta\u010de pro AI obvykle dod\u00e1vaj\u00ed se syst\u00e9mem zalo\u017een\u00fdm na Ubuntu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Pro jak velk\u00e9 modely posta\u010d\u00ed 128 GB unifikovan\u00e9 pam\u011bti?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pro modely o velikosti p\u0159ibli\u017en\u011b 200 miliard parametr\u016f p\u0159i 4bitov\u00e9 kvantizaci. Modely o velikosti 405 miliard vy\u017eaduj\u00ed propojen\u00ed dvou jednotek.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Lze dv\u011b jednotky propojit do clusteru?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ano. Za\u0159\u00edzen\u00ed zalo\u017een\u00e1 na GB10 maj\u00ed integrovan\u00e9 s\u00ed\u0165ov\u00e9 rozhran\u00ed NVIDIA ConnectX-7 s porty 200 GbE, kter\u00e9 umo\u017e\u0148uje propojit dv\u011b jednotky a z\u00edskat 256 GB sd\u00edlen\u00e9 pam\u011bti.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Kdy zvolit AI PC, kdy pracovn\u00ed stanici a kdy server?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">AI PC \u2013 pokud m\u00e1 AI podporovat ka\u017edodenn\u00ed kancel\u00e1\u0159skou pr\u00e1ci. Pracovn\u00ed stanice s RTX \u2013 pokud pracujete s obrazem, videem nebo modely do 32 miliard parametr\u016f a po\u017eadujete vysokou rychlost. Desktopov\u00fd superpo\u010d\u00edta\u010d pro AI \u2013 pokud pot\u0159ebujete lok\u00e1ln\u011b provozovat velk\u00e9 modely a prov\u00e1d\u011bt jejich dola\u010fov\u00e1n\u00ed. Server nebo cloud \u2013 pokud modely tr\u00e9nujete.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Opou\u0161t\u011bj\u00ed data p\u0159i pou\u017eit\u00ed lok\u00e1ln\u00edho modelu firmu?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ne. Model spu\u0161t\u011bn\u00fd na vlastn\u00edm hardwaru zpracov\u00e1v\u00e1 data v\u00fdhradn\u011b lok\u00e1ln\u011b. To je hlavn\u00ed d\u016fvod, pro\u010d spole\u010dnosti pracuj\u00edc\u00ed s citliv\u00fdmi daty vol\u00ed on-premise \u0159e\u0161en\u00ed nam\u00edsto cloudu.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u00dadaje o vyu\u017e\u00edv\u00e1n\u00ed AI v podnic\u00edch: Eurostat, \u201eUse of artificial intelligence in enterprises\u201c, \u00fadaje za rok 2025. Specifikace a parametry aktu\u00e1ln\u00ed k srpnu 2026.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jak\u00fd po\u010d\u00edta\u010d pro AI? Z\u00e1le\u017e\u00ed na pou\u017eit\u00ed a velikosti model\u016f: pro kancel\u00e1\u0159skou pr\u00e1ci obvykle sta\u010d\u00ed notebook nebo AI PC s jednotkou NPU, pro lok\u00e1ln\u00ed provoz v\u011bt\u0161\u00edch model\u016f je pot\u0159eba pracovn\u00ed stanice nebo stoln\u00ed superpo\u010d\u00edta\u010d pro AI a pro tr\u00e9nov\u00e1n\u00ed model\u016f od z\u00e1kladu bude nutn\u00fd GPU server nebo cloud. Tento pr\u016fvodce je ur\u010den firm\u00e1m, IT t\u00fdm\u016fm,<\/p>\n","protected":false},"author":4,"featured_media":1412,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_meta-robots-nofollow":"","_yoast_wpseo_meta-robots-adv":"","_yoast_wpseo_bctitle":"","_yoast_wpseo_canonical":"","_yoast_wpseo_opengraph-title":"","_yoast_wpseo_opengraph-description":"","_yoast_wpseo_opengraph-image":"","_yoast_wpseo_twitter-title":"","_yoast_wpseo_twitter-description":"","_yoast_wpseo_twitter-image":"","footnotes":""},"categories":[52,7],"tags":[],"class_list":["post-1413","post","type-post","status-publish","format-standard","has-post-thumbnail","category-hardware-technologie","category-pocitacovy-hardware"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Po\u010d\u00edta\u010d pro AI: parametry a p\u0159ehled zna\u010dek | Senetic<\/title>\n<meta name=\"description\" content=\"Vyb\u00edr\u00e1te po\u010d\u00edta\u010d pro AI? 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