{"id":37187,"date":"2019-10-31T22:16:15","date_gmt":"2019-10-31T19:16:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novaya-statya-obzor-protsessorov-amd-ryzen-5-3600x-i-ryzen-5-3600-shestiyadernik-zdorovogo-cheloveka\/"},"modified":"2019-10-31T22:16:15","modified_gmt":"2019-10-31T19:16:15","slug":"novaya-statya-obzor-protsessorov-amd-ryzen-5-3600x-i-ryzen-5-3600-shestiyadernik-zdorovogo-cheloveka","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/novaya-statya-obzor-protsessorov-amd-ryzen-5-3600x-i-ryzen-5-3600-shestiyadernik-zdorovogo-cheloveka","title":{"rendered":"Nov\u00fd \u010dl\u00e1nek: P\u0159ehled procesor\u016f AMD Ryzen 5 3600X a Ryzen 5 3600: \u0161esti j\u00e1drov\u00fd procesor pro norm\u00e1ln\u00edho u\u017eivatele","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u0160esti j\u00e1drov\u00e9 procesory Ryzen 5 si z\u00edskaly \u0161irok\u00e9 uzn\u00e1n\u00ed d\u00e1vno p\u0159ed t\u00edm, ne\u017e AMD p\u0159e\u0161la na mikroarchitekturu Zen 2. Jak prvn\u00ed, tak druh\u00e1 generace \u0161esti j\u00e1drov\u00fdch Ryzen 5 se staly popul\u00e1rn\u00ed volbou ve sv\u00e9m cenov\u00e9m segmentu d\u00edky strategii AMD: nab\u00edzet z\u00e1kazn\u00edk\u016fm vy\u0161\u0161\u00ed v\u00edcestup\u0148ov\u00fd v\u00fdkon, ne\u017e mohou poskytnout procesory Intel, za stejnou nebo i ni\u017e\u0161\u00ed cenu. Procesory AMD z let 2017-2018 v cenov\u00e9m rozmez\u00ed 200-250 dolar\u016f m\u011bly nejen \u0161est v\u00fdpo\u010detn\u00edch jader, ale tak\u00e9 podporovaly technologii virtu\u00e1ln\u00ed v\u00edcestup\u0148ovosti SMT, d\u00edky kter\u00e9 mohly vykon\u00e1vat a\u017e 12 vl\u00e1ken sou\u010dasn\u011b. Tato schopnost se stala velmi d\u016fle\u017eit\u00fdm trumfem v porovn\u00e1n\u00ed s Core i5: v mnoha v\u00fdpo\u010dtov\u00fdch \u00faloh\u00e1ch prvn\u00ed generace Ryzen 5 skute\u010dn\u011b p\u0159ekon\u00e1valy mo\u017enosti, kter\u00e9 v t\u00e9 dob\u011b nab\u00edzela Intel.<\/p>\n

Nicm\u00e9n\u011b pro nezpochybniteln\u00e9 veden\u00ed ve sv\u00e9 v\u00e1hov\u00e9 kategorii to bylo zjevn\u011b nedostate\u010dn\u00e9. Hern\u00ed testy odhalily stejn\u00fd nep\u0159\u00edjemn\u00fd obraz pro AMD: ani prvn\u00ed, ani druh\u00e1 generace \u0161esti j\u00e1drov\u00fdch Ryzen 5 nedok\u00e1zaly nab\u00eddnout d\u016fstojnou konkurenci z\u00e1stupc\u016fm s\u00e9rie Intel Core i5. V modern\u00edch hr\u00e1ch v\u00fdkon st\u0159edn\u00ed \u00farovn\u011b grafick\u00fdch karet, v\u010detn\u011b GeForce RTX 2060 a GeForce GTX 1660 Ti, je zna\u010dn\u011b omezen dokonce i Ryzen 5 2600X a Ryzen 5 2600<\/a><\/noindex>, nemluv\u011b o tom, \u017ee pro rychlej\u0161\u00ed GPU jsou takov\u00e9 procesory zcela nevhodn\u00e9. Jin\u00fdmi slovy, procesor\u016fm AMD minul\u00fdch generac\u00ed byla cesta do hern\u00edch konfigurac\u00ed vysok\u00e9 t\u0159\u00eddy prost\u011b uzav\u0159ena.<\/p>\n

Ale tato recenze by se na na\u0161em webu neobjevila, kdyby nenastal \u010das velk\u00fdch zm\u011bn, nebo\u0165 nyn\u00ed se v nab\u00eddce AMD objevila t\u0159et\u00ed generace procesor\u016f Ryzen. Ji\u017e jsme m\u011bli n\u011bkolikr\u00e1t p\u0159\u00edle\u017eitost obdivovat, jak \u00fasp\u011b\u0161n\u00e1 se uk\u00e1zala mikroarchitektura Zen 2<\/a><\/noindex>, kter\u00e1 p\u0159i\u0161la minul\u00fd m\u011bs\u00edc do spot\u0159ebitelsk\u00fdch procesor\u016f AMD: na na\u0161em webu jsou recenze a osmi j\u00e1drov\u00e9ho Ryzen 7 3700X<\/a><\/noindex>, a dvan\u00e1cti j\u00e1drov\u00e9ho Ryzen 9 3900X<\/a><\/noindex>. Dnes se v\u0161ak pod\u00edv\u00e1me na to, jak se tato mikroarchitektura m\u016f\u017ee prom\u00edtnout do procesor\u016f ni\u017e\u0161\u00ed t\u0159\u00eddy \u2013 s \u0161esti v\u00fdpo\u010detn\u00edmi j\u00e1dry \u2013 konkr\u00e9tn\u011b do \u010dip\u016f, kter\u00e9 jsou u\u017eivateli obl\u00edben\u00e9 pro svou dostate\u010dnou v\u00fdkonnost a relativn\u011b n\u00edzkou cenu.<\/p>\n

\"Nov\u00fd<\/p>\n

Nov\u00e9 Ryzen 5 3600X a Ryzen 5 3600 maj\u00ed skute\u010dn\u011b dobr\u00e9 \u0161ance kone\u010dn\u011b z\u00edskat titul nejlep\u0161\u00edch procesor\u016f pro hr\u00e1\u010dsk\u00e9 sestavy \u201eoptim\u00e1ln\u00ed\u201c \u00farovn\u011b (podle terminologie na\u0161eho \u201ePo\u010d\u00edta\u010de m\u011bs\u00edce<\/a><\/noindex>\u201e), tedy t\u011bch, kter\u00e9 zaji\u0161\u0165uj\u00ed dostate\u010dnou sn\u00edmkovou frekvenci p\u0159i rozli\u0161en\u00edch Full HD a WQHD. Novinky maj\u00ed nejen novou mikroarchitekturu s 15% zv\u00fd\u0161enou energetickou \u00fa\u010dinnost\u00ed, ale tak\u00e9 \u0159adu dal\u0161\u00edch vylep\u0161en\u00ed spojen\u00fdch s vyu\u017eit\u00edm 7nm v\u00fdrobn\u00edho procesu TSMC a zcela nov\u00e9ho \u010dipletov\u00e9ho designu. Nap\u0159\u00edklad zv\u00fd\u0161en\u00e9 taktovac\u00ed frekvence, sn\u00ed\u017een\u00e9 tepeln\u00e9 vyza\u0159ov\u00e1n\u00ed a nav\u00edc \u2013 flexibiln\u011bj\u0161\u00ed a univerz\u00e1ln\u011bj\u0161\u00ed pam\u011b\u0165ov\u00fd kontroler.<\/p>\n

Od Ryzen 5 3600X a Ryzen 5 3600 tedy m\u016f\u017eeme o\u010dek\u00e1vat nejen bezpodm\u00edne\u010dn\u00e9 p\u0159evl\u00e1d\u00e1n\u00ed nad konkurenc\u00ed s procesory za 200-250 dolar\u016f p\u0159i vytv\u00e1\u0159en\u00ed a zpracov\u00e1n\u00ed digit\u00e1ln\u00edho obsahu, ale tak\u00e9 daleko v\u00fdznamn\u011bj\u0161\u00ed \u00fasp\u011bchy z pohledu pr\u016fm\u011brn\u00e9ho u\u017eivatele: eliminaci d\u0159\u00edv\u011bj\u0161\u00edho zpo\u017ed\u011bn\u00ed za Core i5 v hern\u00edch z\u00e1t\u011b\u017e\u00edch. Jak moc se jim poda\u0159\u00ed naplnit na\u0161e o\u010dek\u00e1v\u00e1n\u00ed, se pod\u00edv\u00e1me v t\u00e9to recenzi.<\/p>\n

\u2b07<\/a><\/noindex>#<\/a><\/noindex>Ryzen 5 3600X a Ryzen 5 3600 v podrobnostech<\/p>\n

Rodina procesor\u016f Ryzen 5 d\u0159\u00edve obsahovala produkty ze t\u0159\u00ed z\u00e1sadn\u011b r\u016fzn\u00fdch kategori\u00ed. Obsahovala jak \u0161esti, tak i \u010dty\u0159j\u00e1drov\u00e9 z\u00e1stupce, stejn\u011b jako \u010dty\u0159j\u00e1drov\u00e9 procesory s integrovan\u00fdm grafick\u00fdm j\u00e1drem. Ale s p\u0159echodem na modelov\u00e1 \u010d\u00edsla ze \u010dtvrt\u00e9 s\u00e9rie se nomenklatura zjednodu\u0161ila: \u010dty\u0159j\u00e1drov\u00e9 Ryzen 3000 s mikroarchitekturou Zen 2 nyn\u00ed neexistuj\u00ed, a v nov\u00e9 \u0159ad\u011b Ryzen 5 je jen jedin\u00fd \u010dty\u0159j\u00e1drov\u00fd model \u2013 hybridn\u00ed \u010dip Ryzen 5 3400G s integrovanou grafikou Vega, zalo\u017een\u00fd na mikroarchitektu\u0159e Zen+.<\/p>\n

\"Nov\u00fd<\/p>\n

Pokud nebereme v \u00favahu APU, kter\u00e1 se od \u201eklasick\u00fdch\u201c Ryzen odli\u0161uj\u00ed ideologicky i architektonicky, m\u00e1 AMD v nab\u00eddce pouze dv\u011b varianty Ryzen 5 \u2013 \u0161esti j\u00e1drov\u00e9 Ryzen 5 3600X a Ryzen 5 3600. V podstat\u011b jsou tyto procesory velmi podobn\u00e9. Pokud mluv\u00edme o form\u00e1ln\u00edch specifikac\u00edch, lze si v\u0161imnout pouze 200megahertzov\u00e9ho rozd\u00edlu v taktovac\u00ed frekvenci, a\u010dkoli z pohledu ceny se Ryzen 5 3600X a Ryzen 5 3600 v\u00fdrazn\u011b li\u0161\u00ed \u2013 o cel\u00fdch 25 %. Tento rozd\u00edl lze sp\u00ed\u0161e vysv\u011btlit ne vy\u0161\u0161\u00ed v\u00fdkonnost\u00ed star\u0161\u00edho \u0161esti j\u00e1drov\u00e9ho modelu, ale t\u00edm, \u017ee je dod\u00e1v\u00e1n s v\u011bt\u0161\u00edm a \u00fa\u010dinn\u011bj\u0161\u00edm chladi\u010dem Wraith Spire oproti jednoduch\u00e9mu Wraith Stealth u mlad\u0161\u00ed verze.<\/p>\n

\"Nov\u00fd<\/p>\n

Nicm\u00e9n\u011b pou\u017eit\u00ed Ryzen 5 3600 se standardn\u00edm kompaktn\u00edm chladi\u010dem se zd\u00e1 b\u00fdt zcela p\u0159ijateln\u00e9, proto\u017ee tepeln\u00fd v\u00fdkon tohoto procesoru je form\u00e1ln\u011b stanoven na 65, nikoli 95 W.<\/p>\n\n\n\n\n\n\n\n\n\n
<\/th>\nJ\u00e1dra \/ vl\u00e1kna<\/th>\nZ\u00e1kladn\u00ed frekvence, MHz<\/th>\nTurbo frekvence, MHz<\/th>\nL3 cache, MB<\/th>\nTDP, W<\/th>\nChiplety<\/th>\nCena<\/th>\n<\/tr>\n
Ryzen 9 3950X<\/td>\n16\/32<\/td>\n3,5<\/td>\n4,7<\/td>\n64<\/td>\n105<\/td>\n2\u00d7CCD + I\/O<\/td>\n$749<\/td>\n<\/tr>\n
Ryzen 9 3900X<\/td>\n12\/24<\/td>\n3,8<\/td>\n4,6<\/td>\n64<\/td>\n105<\/td>\n2\u00d7CCD + I\/O<\/td>\n$499<\/td>\n<\/tr>\n
Ryzen 7 3800X<\/td>\n8\/16<\/td>\n3,9<\/td>\n4,5<\/td>\n32<\/td>\n105<\/td>\nCCD + I\/O<\/td>\n$399<\/td>\n<\/tr>\n
Ryzen 7 3700X<\/td>\n8\/16<\/td>\n3,6<\/td>\n4,4<\/td>\n32<\/td>\n65<\/td>\nCCD + I\/O<\/td>\n$329<\/td>\n<\/tr>\n
Ryzen 5 3600X<\/td>\n6\/12<\/td>\n3,8<\/td>\n4,4<\/td>\n32<\/td>\n95<\/td>\nCCD + I\/O<\/td>\n$249<\/td>\n<\/tr>\n
Ryzen 5 3600<\/td>\n6\/12<\/td>\n3,6<\/td>\n4,2<\/td>\n32<\/td>\n65<\/td>\nCCD + I\/O<\/td>\n$199<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Na pozad\u00ed ostatn\u00edch procesor\u016f Ryzen 3000 se \u0161estij\u00e1drov\u00e9 modely vyzna\u010duj\u00ed nejen men\u0161\u00edm po\u010dtem v\u00fdpo\u010detn\u00edch jader, ale tak\u00e9 m\u00edrn\u011b ni\u017e\u0161\u00edmi frekvencemi. To v\u0161ak nijak nesni\u017euje jejich atraktivitu. Je t\u0159eba si vzpomenout, \u017ee nov\u00fd Ryzen 5 3600 podle specifikac\u00ed odpov\u00edd\u00e1 star\u0161\u00edmu \u0161estij\u00e1drov\u00e9mu modelu z minul\u00e9ho obdob\u00ed, Ryzen 5 2600X, ale nav\u00edc m\u00e1 v\u00fdrazn\u011b pokro\u010dilej\u0161\u00ed mikroarchitekturu Zen 2, kter\u00e1 m\u00e1 o 15 % lep\u0161\u00ed IPC (po\u010det vykon\u00e1van\u00fdch instrukc\u00ed na takt). To v\u0161echno znamen\u00e1, \u017ee nov\u00e9 Ryzen 5 by m\u011bly b\u00fdt v\u00fdrazn\u011b v\u00fdkonn\u011bj\u0161\u00ed ne\u017e jejich p\u0159edch\u016fdci.<\/p>\n

\"Nov\u00fd \"Nov\u00fd<\/p>\n

Stejn\u011b jako osmij\u00e1drov\u00e9 modely nov\u00e9 generace, Ryzen 5 3600X a Ryzen 5 3600 jsou postaveny na dvouchipletov\u00e9m sch\u00e9matu a skl\u00e1daj\u00ed se z jednoho chipletu s v\u00fdpo\u010detn\u00edmi j\u00e1dry (CCD) a chipletu pro vstup\/v\u00fdstup (cIOD), kter\u00e9 jsou propojeny druhou generac\u00ed sb\u011brnice Infinity Fabric. Z\u00e1kladn\u00ed chiplet CCD v t\u011bchto procesorech se neli\u0161\u00ed od toho, kter\u00fd se pou\u017e\u00edv\u00e1 ve star\u0161\u00edch modelech 7nm polovodi\u010dov\u00e9ho krystalu vyr\u00e1b\u011bn\u00e9ho v provozech TSMC. Obsahuje dva \u010dty\u0159j\u00e1drov\u00e9 komplexy CCX (Core Complex), ale v p\u0159\u00edpad\u011b Ryzen 5 3600X a Ryzen 5 3600 je v ka\u017ed\u00e9m z nich jedno j\u00e1dro vypnuto.<\/p>\n

\"Nov\u00fd<\/p>\n

P\u0159itom vypnut\u00ed jader nijak neovlivnilo objem t\u0159et\u00ed \u00farovn\u011b cache. V ka\u017ed\u00e9m CCX procesorech s mikroarchitekturou Zen 2 je p\u0159edpokl\u00e1d\u00e1no 16 MB L3 cache — a cel\u00fd tento objem je k dispozici u Ryzen 5 3600X a Ryzen 5 3600. Jin\u00fdmi slovy, oba \u0161esti j\u00e1drov\u00e9 procesory maj\u00ed 32 MB L3 cache, co\u017e je dvojn\u00e1sobek ve srovn\u00e1n\u00ed s t\u00edm, co bylo nab\u00eddnuto v p\u0159edchoz\u00ed generaci Ryzen.<\/p>\n

\"Nov\u00fd<\/p>\n

Standardn\u00ed pro \u0161estij\u00e1dra a cIOD \u010diplet. Tento krystal obsahuje \u0159adi\u010d pam\u011bti, logiku Infinity Fabric, \u0159adi\u010d sb\u011brnice PCI Express a prvky SoC a vyr\u00e1b\u00ed se na v\u00fdrobn\u00edch kapacit\u00e1ch GlobalFoundries ve 12nm technologick\u00e9m procesu. \u00dapln\u00e1 unifikace slo\u017eek \u0161estij\u00e1dro\u016f se star\u0161\u00edmi modely Ryzen 3000 znamen\u00e1, \u017ee zd\u011bd\u00ed v\u0161echny v\u00fdhody star\u0161\u00edch sourozenc\u016f: bezprobl\u00e9movou podporu rychl\u00e9 DDR4 pam\u011bti, mo\u017enost asynchronn\u00edho taktov\u00e1n\u00ed sb\u011brnice Infinity Fabric a podporu sb\u011brnice PCI Express 4.0 s dvojn\u00e1sobnou propustnost\u00ed.<\/p>\n

\"Nov\u00fd<\/p>\n

Pro podrobn\u00e9 testov\u00e1n\u00ed jsme vzali oba nov\u00e9 \u0161estij\u00e1drov\u00e9 procesory: Ryzen 5 3600X a Ryzen 5 3600. Jak se v\u0161ak uk\u00e1zalo, mohli jsme se obej\u00edt i s jedn\u00edm modelem. V praxi jsou rozd\u00edly v pr\u00e1ci Ryzen 5 3600X a Ryzen 5 3600 je\u0161t\u011b men\u0161\u00ed, ne\u017e jak je to odr\u00e1\u017eeno ve specifikac\u00edch.<\/p>\n

\"Nov\u00fd<\/p>\n

Nap\u0159\u00edklad takto se rozd\u011bluj\u00ed skute\u010dn\u00e9 pracovn\u00ed frekvence Ryzen 5 3600X v Cinebench R20 p\u0159i zat\u00ed\u017een\u00ed r\u016fzn\u00fdm po\u010dtem v\u00fdpo\u010detn\u00edch jader.<\/p>\n

\"Nov\u00fd<\/p>\n

Pracovn\u00ed frekvence se pohybuj\u00ed v rozmez\u00ed od 4,1 do 4,35 GHz. S Ryzen 5 3600 to vypad\u00e1 podobn\u011b, ale s omezen\u00edm horn\u00ed hranice uveden\u00fdm ve specifikac\u00edch, co\u017e posouv\u00e1 interval frekvenc\u00ed m\u00edrn\u011b dol\u016f – od 4,0 do 4,2 GHz. Nicm\u00e9n\u011b p\u0159i 50% z\u00e1t\u011b\u017ei v\u00fdpo\u010detn\u00edch zdroj\u016f je Ryzen 5 3600X rychlej\u0161\u00ed ne\u017e mlad\u0161\u00ed model pouze o 25-50 MHz.<\/p>\n

\"Nov\u00fd<\/p>\n

Krom\u011b toho lze z graf\u016f vyvodit je\u0161t\u011b jednu zaj\u00edmavou pozn\u00e1mku. I p\u0159i zat\u00ed\u017een\u00ed v\u0161ech jader jsou \u0161esti-j\u00e1drov\u00e9 procesory AMD nov\u00e9 generace schopny udr\u017eovat frekvence nad 4,0-4,1 GHz. To znamen\u00e1, \u017ee alternativy nab\u00edzen\u00e9 Intellem ve stejn\u00e9 cenov\u00e9 kategorii ji\u017e nemaj\u00ed \u017e\u00e1dnou v\u00fdznamnou v\u00fdhodu v taktu. V\u017edy\u0165 i star\u0161\u00ed \u0161estij\u00e1drov\u00fd Core i5-9600K p\u0159i pln\u00e9m zat\u00ed\u017een\u00ed v\u0161ech jader pracuje pouze na frekvenci 4,3 GHz, zat\u00edmco nap\u0159\u00edklad popul\u00e1rn\u00ed Core i5-9400 p\u0159i zapnut\u00ed v\u0161ech jader sni\u017euje svou frekvenci na 3,9 GHz. Ukazuje se, \u017ee z pohledu specifikac\u00ed nem\u00e1 Core i5 \u017e\u00e1dn\u00e9 p\u0159esv\u011bd\u010div\u00e9 v\u00fdhody oproti Ryzen 5. Alternativy nab\u00edzen\u00e9 AMD podporuj\u00ed sou\u010dasnou realizaci dvojn\u00e1sobn\u00e9ho po\u010dtu vl\u00e1ken d\u00edky technologii SMT, maj\u00ed t\u0159ikr\u00e1t a p\u016flkr\u00e1t v\u011bt\u0161\u00ed L3 cache a jsou ofici\u00e1ln\u011b kompatibiln\u00ed s DDR4-3200 SDRAM, a nav\u00edc mohou pracovat s grafick\u00fdmi kartami a NVMe \u00falo\u017ei\u0161ti p\u0159es sb\u011brnici PCI Express 4.0.<\/p>\n

Je pravda, \u017ee o podpo\u0159e PCI Express 4.0 je pot\u0159eba u\u010dinit d\u016fle\u017eitou pozn\u00e1mku. Ta je dostupn\u00e1 pouze na z\u00e1kladn\u00edch desk\u00e1ch postaven\u00fdch na logick\u00e9m \u010dipsetu X570, kter\u00e9 stoj\u00ed relativn\u011b hodn\u011b a pravd\u011bpodobn\u011b nebudou b\u011b\u017en\u00fdmi spole\u010dn\u00edky Ryzen 5 3600X a Ryzen 5 3600. Na star\u00fdch a levn\u011bj\u0161\u00edch Socket AM4 desk\u00e1ch s \u010dipsetem X470 a B450 nov\u00e9 \u0161estij\u00e1drov\u00e9 procesory zajist\u00ed funk\u010dnost extern\u00edho rozhran\u00ed pouze v re\u017eimu PCI Express 3.0.<\/p>\n

Ale nejd\u016fle\u017eit\u011bj\u0161\u00ed je, \u017ee navzdory tomuto omezen\u00ed jsou nov\u00e9 procesory st\u00e1le funk\u010dn\u00ed se star\u00fdmi deskami po aktualizaci BIOSu (p\u0159\u00edslu\u0161n\u00e9 verze by m\u011bly b\u00fdt zalo\u017eeny na knihovn\u00e1ch AGESA Combo-AM4 1.0.0.1 a nov\u011bj\u0161\u00edch). A t\u00edmto jist\u011b cht\u011bj\u00ed vyu\u017e\u00edt nejen zast\u00e1nci \u0161etrn\u00e9ho p\u0159\u00edstupu k v\u00fdb\u011bru konfigurace osobn\u00edho po\u010d\u00edta\u010de, ale i mnoho pokro\u010dil\u00fdch u\u017eivatel\u016f, proto\u017ee z\u00e1kladn\u00ed desky na b\u00e1zi X570 ve skute\u010dnosti vypadaj\u00ed siln\u011b nadhodnocen\u00e9.<\/p>\n

\u2b07<\/a><\/noindex>#<\/a><\/noindex>Z\u00e1kladn\u00ed deska na X570 nen\u00ed povinn\u00e1<\/p>\n

Novou logiku X570 p\u0159edstavila spole\u010dnost AMD sou\u010dasn\u011b s procesory Ryzen 3000, tak\u017ee vytv\u00e1\u0159\u00ed dojem, \u017ee tento \u010dipset je nejvhodn\u011bj\u0161\u00ed volbou pro nov\u00e9 CPU. A opravdu, i kdy\u017e \u010dipy Ryzen 3000 pou\u017e\u00edvaj\u00ed stejn\u00fd procesorov\u00fd socket AM4 jako jejich p\u0159edch\u016fdci a jsou kompatibiln\u00ed s v\u00fdznamnou \u010d\u00e1st\u00ed d\u0159\u00edve vydan\u00fdch z\u00e1kladn\u00edch desek pro tuto platformu, \u010d\u00e1st v\u00fdhod architektury Zen 2 m\u016f\u017ee b\u00fdt pln\u011b vyu\u017eita pouze tehdy, kdy\u017e jsou Ryzen 3000 nainstalov\u00e1ny na z\u00e1kladn\u00ed desky nov\u00e9 generace. Konkr\u00e9tn\u011b jen desky na b\u00e1zi X570 mohou nab\u00eddnout podporu sb\u011brnice PCI Express 4.0 s dvojn\u00e1sobnou propustnost\u00ed, a na desk\u00e1ch p\u0159edchoz\u00edch generac\u00ed nebude mo\u017en\u00e9 aktivovat PCI Express 4.0. Marketingov\u00e9 odd\u011blen\u00ed AMD velmi zd\u016fraz\u0148uje d\u016fle\u017eitost t\u00e9to funkce, co\u017e m\u016f\u017ee v\u00e9st k pocitu, \u017ee pou\u017e\u00edv\u00e1n\u00ed star\u00fdch desek s nov\u00fdmi procesory je rozhodnut\u00ed, kter\u00e9 m\u00e1 n\u011bjak\u00e9 negativn\u00ed d\u016fsledky.<\/p>\n

\"Nov\u00fd<\/p>\n

Av\u0161ak v sou\u010dasn\u00e9 dob\u011b existuj\u00ed v\u00e1\u017en\u00e9 pochybnosti o pot\u0159eb\u011b podpory PCI Express 4.0. Existuj\u00edc\u00ed hern\u00ed grafick\u00e9 karty s t\u00edmto vysokorychlostn\u00edm rozhran\u00edm (a t\u011bch je jen p\u00e1r: Radeon RX 5700 XT a RX 5700) nez\u00edsk\u00e1vaj\u00ed \u017e\u00e1dn\u00e9 patrn\u00e9 v\u00fdhody v v\u00fdkonu zvy\u0161ov\u00e1n\u00edm \u0161\u00ed\u0159ky p\u00e1sma rozhran\u00ed. NVMe disky, kter\u00e9 pracuj\u00ed prost\u0159ednictv\u00edm PCI Express 4.0, maj\u00ed v sou\u010dasnosti tak\u00e9 velmi omezen\u00e9 roz\u0161\u00ed\u0159en\u00ed. Nav\u00edc v\u0161echny jsou zalo\u017eeny na pom\u011brn\u011b slab\u00e9m \u0159adi\u010di Phison PS5016-E16 a v re\u00e1ln\u00e9m v\u00fdkonu zaost\u00e1vaj\u00ed za nejlep\u0161\u00edmi disky s rozhran\u00edm PCI Express 3.0, co\u017e znamen\u00e1, \u017ee jejich pou\u017eit\u00ed m\u00e1 jen mal\u00fd smysl. Podpora PCI Express 4.0 v X570 tedy p\u0159edstavuje pouze perspektivn\u00ed z\u00e1klad s t\u00e9m\u011b\u0159 nulov\u00fdm u\u017eitkem v sou\u010dasn\u00fdch re\u00e1li\u00edch.<\/p>\n

Znamen\u00e1 to, \u017ee po\u0159\u00edzen\u00ed desek zalo\u017een\u00fdch na X570 postr\u00e1d\u00e1 praktick\u00fd smysl? Rozhodn\u011b ne: krom\u011b nov\u00e9 verze PCI Express tento \u010dipset nab\u00edz\u00ed znateln\u011b vylep\u0161en\u00e9 mo\u017enosti pro implementaci dal\u0161\u00edch extern\u00edch rozhran\u00ed. Obsahuje v\u011bt\u0161\u00ed mno\u017estv\u00ed lini\u00ed PCI Express pro dodate\u010dn\u00e1 za\u0159\u00edzen\u00ed a sloty pro roz\u0161\u00ed\u0159en\u00ed, a tak\u00e9 podporuje v\u00edce vysokorychlostn\u00edch port\u016f USB 3.1 Gen2.<\/p>\n

\"Nov\u00fd<\/p>\n

Takhle vypadaj\u00ed jeho hlavn\u00ed charakteristiky v porovn\u00e1n\u00ed s parametry \u010dipset\u016f p\u0159edchoz\u00ed generace:<\/p>\n\n\n\n\n\n\n\n\n\n
<\/th>\nX570<\/th>\nX470<\/th>\nB450<\/th>\n<\/tr>\n
Rozhran\u00ed PCIe<\/td>\n4.0<\/td>\n2.0<\/td>\n2.0<\/td>\n<\/tr>\n
Po\u010det lini\u00ed PCIe<\/td>\n16<\/td>\n8<\/td>\n6<\/td>\n<\/tr>\n
Porty USB 3.2 Gen2<\/td>\n8<\/td>\n2<\/td>\n2<\/td>\n<\/tr>\n
Porty USB 3.2 Gen1<\/td>\n0<\/td>\n6<\/td>\n2<\/td>\n<\/tr>\n
Porty USB 2.0<\/td>\n4<\/td>\n6<\/td>\n6<\/td>\n<\/tr>\n
Porty SATA<\/td>\n8<\/td>\n8<\/td>\n4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

T\u00edm p\u00e1dem mus\u00ed \u0159e\u0161en\u00ed na nov\u00e9m \u010dipsetu m\u00edt mnohem \u0161ir\u0161\u00ed a modern\u011bj\u0161\u00ed mo\u017enosti.<\/p>\n

Krom\u011b toho existuje je\u0161t\u011b jeden v\u00fdznamn\u00fd argument ve prosp\u011bch platformy X570. Desky zalo\u017een\u00e9 na tomto \u010dipu byly od po\u010d\u00e1tku navr\u017eeny pro procesory Ryzen 3000, zat\u00edmco z\u00e1kladn\u00ed desky p\u0159edchoz\u00edch generac\u00ed byly vytv\u00e1\u0159eny v dob\u011b, kdy m\u011bly vy\u0161\u0161\u00ed procesory Ryzen maxim\u00e1ln\u011b osm jader a maxim\u00e1ln\u00ed tepeln\u00fd v\u00fdkon 95 W. Proto pouze nov\u00e9 desky skute\u010dn\u011b zohlednily to, \u017ee procesory Socket AM4 mohou obsahovat a\u017e \u0161estn\u00e1ct v\u00fdpo\u010detn\u00edch jader a m\u00edt vy\u0161\u0161\u00ed energetick\u00e9 po\u017eadavky, a tak\u00e9 to, \u017ee sou\u010dasn\u00e9 procesory nemaj\u00ed um\u011bl\u00e1 omezen\u00ed v taktu pam\u011bti. Jin\u00fdmi slovy, design nov\u00fdch desek z\u00edskal dal\u0161\u00ed optimalizace: minim\u00e1ln\u011b vylep\u0161en\u00e9 trasov\u00e1n\u00ed DIMM slot\u016f a pos\u00edlen\u00e9 sch\u00e9mata nap\u00e1jec\u00edch konvertor\u016f pro procesor, kter\u00e1 nyn\u00ed maj\u00ed alespo\u0148 10 f\u00e1z\u00ed (v\u010detn\u011b \u201evirtu\u00e1ln\u00edch\u201c).<\/p>\n

Ale za v\u0161echno se plat\u00ed. Zat\u00edmco cena desek se socketem AM4 postaven\u00fdch na X470 za\u010d\u00edn\u00e1 na \u010d\u00e1stce 130-140 USD, desky na b\u00e1zi B450 lze koupit u\u017e od 70 USD, z\u00e1kladn\u00ed deska nov\u00e9 generace s \u010dipsetem X570 v\u0161ak bude st\u00e1t minim\u00e1ln\u011b 170 USD. Nav\u00edc nov\u011b zaveden\u00e1 podpora rychlostn\u00ed sb\u011brnice PCI Express 4.0 u \u010dipsetu X570 ovlivnila jeho tepeln\u00fd v\u00fdkon. Minul\u00e9 \u010dipsety AMD byly vyr\u00e1b\u011bny technologick\u00fdm procesem 55 nm, ale uvolnily asi 5 W tepla, nov\u00fd \u010dip X570, i p\u0159esto\u017ee p\u0159e\u0161el na 14 nm technologii, uvol\u0148uje a\u017e 15 W. Proto vy\u017eaduje aktivn\u00ed chlad\u011bn\u00ed, co\u017e komplikuje konstrukci z\u00e1kladn\u00edch desek a p\u0159id\u00e1v\u00e1 do syst\u00e9mu dal\u0161\u00ed ventil\u00e1tor, kter\u00fd p\u0159isp\u00edv\u00e1 k \u00farovni hluku.<\/p>\n

S ohledem na to se pou\u017eit\u00ed cenov\u011b dostupn\u011bj\u0161\u00edch z\u00e1kladn\u00edch desek star\u0161\u00ed generace, postaven\u00fdch na \u010dipsetech X470 nebo B450, zejm\u00e9na v kombinaci se six-core procesory Ryzen 5 3600 a Ryzen 5 3600X, kter\u00e9 se nevyzna\u010duj\u00ed vysokou spot\u0159ebou energie, m\u016f\u017ee b\u00fdt zcela opodstatn\u011bn\u00e9. Dokonce i samotn\u00e1 AMD v souvislosti s p\u0159\u00edchodem nov\u00e9 platformy vysv\u011btlovala, \u017ee nov\u00e9 procesory Ryzen 3000 (t\u00e9m\u011b\u0159) neztrat\u00ed na v\u00fdkonu, pokud budou instalov\u00e1ny do kompatibiln\u00edch desek Socket AM4 star\u0161\u00ed generace. Z pohledu spole\u010dnosti je X570 platforma vlajkov\u00e9 \u00farovn\u011b a nen\u00ed pot\u0159eba pro v\u0161echny u\u017eivatele nov\u00fdch procesor\u016f. Pro cenov\u011b st\u0159edn\u011b n\u00e1ro\u010dn\u00e9 Ryzen 5 3600 a Ryzen 5 3600X mohou b\u00fdt vhodn\u00e9 i cenov\u011b dostupn\u011bj\u0161\u00ed desky \u2013 mysl\u00ed si to i sama AMD.<\/p>\n

\"Nov\u00fd<\/p>\n

Ale ve skute\u010dnosti obavy, \u017ee Ryzen t\u0159et\u00ed generace na levn\u00fdch desk\u00e1ch minul\u00fdch generac\u00ed bude fungovat h\u016f\u0159e ne\u017e na nov\u00e9 platform\u011b, p\u0159etrv\u00e1vaj\u00ed. Proto jsme se rozhodli vz\u00edt jednu z t\u011bchto desek a vyzkou\u0161et v\u0161echno sami.<\/p>\n

Experimenty byly prov\u00e1d\u011bny s rozpo\u010dtovou z\u00e1kladn\u00ed deskou ASRock B450M Pro4 na b\u00e1zi \u010dipsetu B450, kterou lze dnes koupit pouze za 80 $. Ned\u00e1vno pro tuto desku bylo vyd\u00e1no n\u011bkolik verz\u00ed BIOSu, postaven\u00fdch na aktu\u00e1ln\u00edch knihovn\u00e1ch AGESA Combo-AM4 1.0.0.3, co\u017e zaji\u0161\u0165uje jej\u00ed kompatibilitu s Ryzen 3000. A skute\u010dn\u011b, po nahr\u00e1n\u00ed jedn\u00e9 z t\u011bchto verz\u00ed firmware do desky testovac\u00ed procesor Ryzen 5 3600X se spou\u0161t\u00ed a pracuje v n\u00ed bez jak\u00fdchkoli probl\u00e9m\u016f. Ale poj\u010fme zkontrolovat detaily.<\/p>\n

Podpora pam\u011bti a taktov\u00e1n\u00ed Infinity<\/strong> Fabric<\/strong>. Na desce s \u010dipsetem B450 nebyly \u017e\u00e1dn\u00e9 p\u0159ek\u00e1\u017eky p\u0159i v\u00fdb\u011bru rychlostn\u00edch re\u017eim\u016f pam\u011bti. Po instalaci Ryzen 5 3600X jsme bez probl\u00e9m\u016f aktivovali re\u017eim DDR4-3600, kter\u00fd AMD pova\u017euje za \u201ezlat\u00fd standard\u201c pro sv\u00e9 procesory nov\u00e9 generace z hlediska v\u00fdkonu.<\/p>\n

\"Nov\u00fd<\/p>\n

Nav\u00edc deska na b\u00e1zi B450 nab\u00edz\u00ed p\u0159esn\u011b ty sam\u00e9 mo\u017enosti pro manu\u00e1ln\u00ed nastaven\u00ed frekvence sb\u011brnice Infinity Fabric jako verze na vlajkov\u00e9m \u010dipsetu X570.<\/p>\n

\"Nov\u00fd<\/p>\n

To znamen\u00e1, \u017ee pokud si p\u0159ejete, pam\u011b\u0165 m\u016f\u017ee b\u00fdt p\u0159etaktov\u00e1na v \u201espr\u00e1vn\u00e9m\u201c synchronn\u00edm re\u017eimu a d\u00e1le nad hodnotou DDR4-3600. Nap\u0159\u00edklad se st\u00e1vaj\u00edc\u00edm procesorem Ryzen 5 3600X jsme dok\u00e1zali s deskou na \u010dipsetu B450 dos\u00e1hnout stabiln\u00edho chodu pam\u011bti v re\u017eimu DDR4-3733 p\u0159i frekvenci sb\u011brnice Infinity Fabric 1866 MHz.<\/p>\n

\"Nov\u00fd<\/p>\n

Samoz\u0159ejm\u011b je mo\u017en\u00fd i overclocking pam\u011bti v asynchronn\u00edm re\u017eimu \u2013 zde B450 tak\u00e9 \u017e\u00e1dn\u00e1 omezen\u00ed nevytv\u00e1\u0159\u00ed. Nicm\u00e9n\u011b je dobr\u00e9 si uv\u011bdomit, \u017ee odd\u011blen\u00e9 taktov\u00e1n\u00ed pam\u011b\u0165ov\u00e9ho kontrol\u00e9ru a sb\u011brnice Infinity Fabric m\u00e1 za n\u00e1sledek v\u00fdrazn\u00e9 zhor\u0161en\u00ed latenc\u00ed a pokles v\u00fdkonu. A to, na jak\u00e9m \u010dipsetu je pou\u017eit\u00e1 z\u00e1kladn\u00ed deska zalo\u017eena, na tom nem\u00e1 \u017e\u00e1dn\u00fd vliv. To plat\u00ed jak pro B450 a X470, tak i pro nejnov\u011bj\u0161\u00ed X570.<\/p>\n

Taktov\u00e1n\u00ed <\/strong>procesoru <\/strong>p\u0159es Precision Boost Override<\/strong>. P\u0159etaktov\u00e1n\u00ed procesor\u016f Ryzen 3000 tradi\u010dn\u00edmi metodami je prakticky bezcenn\u00e9, proto\u017ee automatick\u00e1 technologie p\u0159etaktov\u00e1n\u00ed Precision Boost 2, funguj\u00edc\u00ed v t\u011bchto procesorech 'out of the box', efektivn\u011b vyu\u017e\u00edv\u00e1 ve\u0161ker\u00fd dostupn\u00fd frekven\u010dn\u00ed potenci\u00e1l. Jak\u00e9koliv pokusy o p\u0159etaktov\u00e1n\u00ed procesoru na n\u011bjak\u00e9 pevn\u011b stanoven\u00e9 hodnoty frekvence vedou k jej\u00ed ni\u017e\u0161\u00ed hodnot\u011b ne\u017e maxim\u00e1ln\u00ed nomin\u00e1ln\u00ed frekvence v turbo re\u017eimu. To op\u011bt znamen\u00e1, \u017ee men\u0161\u00ed n\u00e1r\u016fst v\u00fdkonu p\u0159i v\u00edcevl\u00e1knov\u00fdch z\u00e1t\u011b\u017e\u00edch je doprov\u00e1zen poklesem v\u00fdkonu v \u00faloh\u00e1ch, kter\u00e9 zat\u011b\u017euj\u00ed pouze \u010d\u00e1st procesorov\u00fdch jader.<\/p>\n

Aby v\u0161ak nad\u0161enci m\u011bli st\u00e1le mo\u017enost skute\u010dn\u011b zv\u00fd\u0161it v\u00fdkon Ryzen 3000 nad nomin\u00e1ln\u00ed hodnotu, AMD vymyslela speci\u00e1ln\u00ed technologii \u2013 Precision Boost Override. Podstatou t\u00e9to technologie je, \u017ee pr\u00e1ce procesoru v turbo re\u017eimu je \u0159\u00edzena na z\u00e1klad\u011b cel\u00e9ho a \u0159ady p\u0159edem stanoven\u00fdch konstant, kter\u00e9 popisuj\u00ed maxim\u00e1ln\u011b mo\u017en\u00e9 frekvence, spot\u0159ebu, teploty, nap\u011bt\u00ed a podobn\u011b pro ka\u017ed\u00fd procesor. \u010c\u00e1st t\u011bchto konstant lze m\u011bnit, a tato mo\u017enost je pln\u011b nab\u00edzena nejen z\u00e1kladn\u00edm desk\u00e1m na b\u00e1zi X570, ale tak\u00e9 dostupn\u011bj\u0161\u00edmi \u0159e\u0161en\u00edmi.<\/p>\n

\"Nov\u00fd<\/p>\n

Nap\u0159\u00edklad v r\u00e1mci nastaven\u00ed BIOSu na\u0161\u00ed testovac\u00ed desky ASRock B450M Pro4 jsme na\u0161li n\u00e1stroje pro zm\u011bnu v\u0161ech \u010dty\u0159 hlavn\u00edch konstant technologie Precision Boost Override:<\/p>\n