{"id":30458,"date":"2019-10-31T21:35:39","date_gmt":"2019-10-31T18:35:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novaya-statya-core-i9-9900x-protiv-core-i9-9900k-bukva-menyaet-vsyo\/"},"modified":"2019-10-31T21:35:39","modified_gmt":"2019-10-31T18:35:39","slug":"novaya-statya-core-i9-9900x-protiv-core-i9-9900k-bukva-menyaet-vsyo","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/novaya-statya-core-i9-9900x-protiv-core-i9-9900k-bukva-menyaet-vsyo","title":{"rendered":"Novi \u010dlanak: Core i9-9900X naspram Core i9-9900K: slovo menja sve","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>LGA2066 platform and Skylake-X processors were introduced by Intel more than a year and a half ago. Initially, this solution was aimed at the HEDT segment, meaning high-performance systems for users engaged in content creation and processing, as Skylake-X featured significantly more computing cores compared to the regular Kaby Lake and Coffee Lake families.<\/p>\n<p>However, since the launch of Skylake-X, the landscape of the CPU market has changed significantly, and today, quite affordable CPUs can have six or even eight computing cores, while upcoming mass-market CPUs expected to be released within this year may have ten or even twelve cores. Does this render Skylake-X chips obsolete? Most likely not. Firstly, among this series, there are offerings with 16 and 18 cores, and similar mass-market options will definitely not appear on the market anytime soon. Secondly, the LGA2066 platform has other advantages that distinguish it from regular consumer processors, such as superiority in memory channels and available PCI Express lanes.<\/p>\n<p>Stoga se \u010dini da je kozmeti\u010dka nadogradnja modela Skylake-X, koju je procesorski div proveo krajem pro\u0161le godine, bila sasvim o\u010dekivana \u2013 odli\u010dno se uklapala u Intelov godi\u0161nji raspored najava. Me\u0111utim, odnos proizvo\u0111a\u010da prema svojim HEDT novitetima pomalo je iznenadio: kompanija ne samo da nije revidirala cene, ve\u0107 je \u010dak odbila dostaviti uzorke procesora IT medijima, ograni\u010div\u0161i se samo na formalnu prezentaciju i kasniji po\u010detak prodaje.<\/p>\n<p> <img decoding=\"async\" alt=\"Novi \u010dlanak: Core i9-9900X naspram Core i9-9900K: slovo menja sve\" src=\"\/wp-content\/uploads\/2019\/03\/1cd80fa7050131437bacc5dc57af69c8.jpg\" style=\"display:block;margin: 0 auto;\" \/> <\/p>\n<p>Naime, \u010dini se da je kompanija nove Skylake-X smatrala sekundarnim i neprivla\u010dnim proizvodima, me\u0111utim s tom formulacijom se u potpunosti ne sla\u017eemo. Da, broj radnih jezgri kod predstavnika ove linije modela nije se pove\u0107ao tokom nadogradnje. Ipak, sadr\u017eane su druge zanimljive inovacije: noviteti su dobili pove\u0107ane taktne frekvencije, pove\u0107ani L3 cache, kao i pobolj\u0161ani unutra\u0161nji termalni materijal. Stoga smo odlu\u010dili posvetiti odre\u0111enu pa\u017enju unapredjenim Skylake-X, u \u010demu nam je znatno pomogla ra\u010dunalna trgovina \u201eRegard\u201c, koja je pristala da nam ustupi nekoliko novih LGA2066 desetjezgrastih procesora: Core i9-9820X i Core i9-9900X.<\/p>\n<p>Osim toga, od trenutka najave Skylake-X Refresh nismo mogli da se otarasimo pitanja: za\u0161to je Intel odabrao ime sli\u010dne do stupnja zabune za stariji desetjezgrasti HEDT procesor, kada je u pitanju popularni masovni osamjezgrasti Core i9-9900K? \u0160to to zna\u010di? I sada imamo priliku da to istra\u017eimo\u2026<\/p>\n<p class=\"h1\">Modelna serija Skylake-X Refresh<\/p>\n<p>O pojavi novih LGA2066 procesora s oznakama iz devet tisu\u0107a serije Intel obznanjeno je jo\u0161 u listopadu pro\u0161le godine. U broj noviteta u\u0161lo je sedam modela: \u0161est procesora serije Core i9 s brojem jezgri od 10 do 18 i osam jezgreni model Core i7 uvjetno na ulaznoj razini. Nema vi\u0161e \u0161est jezgrenih i \u010detiri jezgrena procesora za LGA2066 u novoj generaciji, \u0161to, s obzirom na brzi rast mogu\u0107nosti platforme LGA1151v2, nije nikakvo iznena\u0111enje.<\/p>\n<table class=\"neat\">\n<tr>\n<th><\/th>\n<th>Jezgre\/ tokovi<\/th>\n<th>Bazi\u010dna frekvencija, GHz<\/th>\n<th>Turbo frekvencija, GHz<\/th>\n<th>L3 ke\u0161, MB<\/th>\n<th>Memorija<\/th>\n<th>TDP, W<\/th>\n<th>Cijena<\/th>\n<\/tr>\n<tbody>\n<tr>\n<td><strong>Core i9-9980XE<\/strong><\/td>\n<td>18\/36<\/td>\n<td>3,0<\/td>\n<td>4,5<\/td>\n<td>24,75<\/td>\n<td>DDR4-2666<\/td>\n<td>165<\/td>\n<td>$1 979<\/td>\n<\/tr>\n<tr>\n<td><strong>Core i9-9960X<\/strong><\/td>\n<td>16\/32<\/td>\n<td>3,1<\/td>\n<td>4,5<\/td>\n<td>22,0<\/td>\n<td>DDR4-2666<\/td>\n<td>165<\/td>\n<td>$1 684<\/td>\n<\/tr>\n<tr>\n<td><strong>Core i9-9940X<\/strong><\/td>\n<td>14\/28<\/td>\n<td>3,3<\/td>\n<td>4,5<\/td>\n<td>19,25<\/td>\n<td>DDR4-2666<\/td>\n<td>165<\/td>\n<td>$1 387<\/td>\n<\/tr>\n<tr>\n<td><strong>Core i9-9920X<\/strong><\/td>\n<td>12\/24<\/td>\n<td>3,5<\/td>\n<td>4,5<\/td>\n<td>19,25<\/td>\n<td>DDR4-2666<\/td>\n<td>165<\/td>\n<td>$1 189<\/td>\n<\/tr>\n<tr>\n<td><strong>Core i9-9900X<\/strong><\/td>\n<td>10\/20<\/td>\n<td>3,5<\/td>\n<td>4,5<\/td>\n<td>19,25<\/td>\n<td>DDR4-2666<\/td>\n<td>165<\/td>\n<td>$989<\/td>\n<\/tr>\n<tr>\n<td><strong>Core i9-9820X<\/strong><\/td>\n<td>10\/20<\/td>\n<td>3,3<\/td>\n<td>4,2<\/td>\n<td>16,5<\/td>\n<td>DDR4-2666<\/td>\n<td>165<\/td>\n<td>$889<\/td>\n<\/tr>\n<tr>\n<td><strong>Core i7-9800X<\/strong><\/td>\n<td>8\/16<\/td>\n<td>3,8<\/td>\n<td>4,5<\/td>\n<td>16,5<\/td>\n<td>DDR4-2666<\/td>\n<td>165<\/td>\n<td>$589<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Najistaknutija promjena u procesorima navedenim u tablici, u usporedbi s prethodnim modelima Skylake-X iz sedme serije, je porast taktonih frekvencija. Nominalne frekvencije pove\u0107ane su za 200-600 MHz, dok su maksimalne frekvencije, koje se posti\u017eu uklju\u010divanjem turbo moda, porasle za 200-300 MHz. Osim toga, kapacitet tre\u0107e razine cachea kod manjih modela serije je pove\u0107an. Prije se ra\u010dunalo prema pravilu \u201e1,375 MB po jezgru\u201c, a sada mo\u017ee do 2 MB cachea po jezgru. I kona\u010dno, PCI Express kontroler osmojezgarnog Core i7-9800X je u potpunosti otklju\u010dan, \u010dime je ovaj procesor dobio na raspolaganje svih 44 linije, koje su prethodno bile dostupne samo procesorima s 10 ili vi\u0161e jezgri.<\/p>\n<p>Me\u0111utim, sve te ugodne promjene donijele su i porast toplinske disipacije. Dok je prvo generacija Skylake-X imala toplinski paket ograni\u010den na 140 W, kod novih procesora TDP karakteristika pove\u0107ana je na 165 W. Drugim rije\u010dima, za pove\u0107ane frekvencije koje su dodijeljene novim procesorima bez ikakvih principijelnih promjena u primjenjivanom 14-nm proizvodnom procesu, mora se platiti pro\u0161irenim energetskim i toplinskim granicama.<\/p>\n<p>Istina, sama Intel tvrdi da je podizanje brzinskih karakteristika omogu\u0107ila implementacija proizvodne tehnologije tre\u0107e verzije pod uvjetnim nazivom 14++ nm, prema kojoj se trenutno izra\u0111uju procesori Coffee Lake i Coffee Lake Refresh. I da nije toga, toplinska disipacija bi mogla biti jo\u0161 vi\u0161a. No, nema razloga za brigu da bi novi Skylake-X mogli biti skloni pregrijavanju. Sni\u017eavanje radnih temperatura novih procesora trebao bi omogu\u0107iti pobolj\u0161ani materijal za toplinsku podlogu ispod toplinske raspodjele. Mjesto ranije kori\u0161tene polimerne termalne paste zauzima lemljeni materijal s znatno vi\u0161om toplinskom vodljivosti.<\/p>\n<p> <img decoding=\"async\" alt=\"Novi \u010dlanak: Core i9-9900X naspram Core i9-9900K: slovo menja sve\" src=\"\/wp-content\/uploads\/2019\/03\/6049434d2679916966497437131c7d72.jpg\" style=\"display:block;margin: 0 auto;\" \/> <\/p>\n<p>No, sve \u0161to je re\u010deno gore, \u2013 to je tek vrh ledenog brijega. Naime, promjena specifikacija, a posebno pove\u0107anje kapaciteta tre\u0107e razine cachea, ima daleko neo\u010dekivaniju osnovu. Sada Intel koristi nekoliko druga\u010dije \u201esmisleno\u201c poluprovodni\u010dke kristale za proizvodnju HEDT procesora.<\/p>\n<p>To zna\u010di sljede\u0107e: HEDT procesori su oduvijek predstavljali desktop varijantu server \u010dipova. Tradicionalno, Intel je uzimao ni\u017ee verzije Xeon-a, prilago\u0111avao kontroler memorije i neke druge karakteristike, te ih prenosio u desktop okru\u017eenje. Dok je za svoje server proizvode Intel proizvodio tri varijante poluprovodni\u010dkih kristala: LCC (Low Core Count) s 10 jezgri, HCC (High Core Count) s 18 jezgri i XCC (eXtreme Core Count) s 28 jezgri, u desktop HEDT procesore dolazile su samo najjednostavnije verzije kristala. Na primjer, u Skylake-X procesorima prve generacije s 6, 8 i 10 jezgri kori\u0161ten je LCC kristal, dok su u verzijama s 12, 14, 16 i 18 jezgri primijenjeni HCC kristali.<\/p>\n<p> <img decoding=\"async\" alt=\"Novi \u010dlanak: Core i9-9900X naspram Core i9-9900K: slovo menja sve\" src=\"\/wp-content\/uploads\/2019\/03\/23f26343243b922d693ba59a6a402667.jpg\" style=\"display:block;margin: 0 auto;\" \/> <\/p>\n<p>U a\u017euriranim Skylake-X, o kojima se danas raspravlja, ni\u017ea varijanta LCC kristala vi\u0161e se ne koristi. Svi novi HEDT procesori devete serije, uklju\u010duju\u0107i i osmojezgri\u010dne i desetojezgri\u010dne varijante, temelje se na HCC kristalu. Dakle, \u010dak i u Core i7-9800X ili Core i9-9900X potencijalno postoji 18 jezgri, ali zna\u010dajan dio njih je hardverski blokiran tijekom proizvodnje.<\/p>\n<p>Ova naizgled \u010dudna odluka donesena je upravo radi pove\u0107anja kapaciteta cachea u novim procesorima. Unutarnja struktura Skylake-X podrazumijeva da se za svako ra\u010dunsko jezgro dodjeljuje koli\u010dina cachea od 1,375 MB. I da se u Core i9-9900X koristio manji kristal LCC, taj procesor ne bi mogao dobiti vi\u0161e od 13,75 MB L3 cachea. Ve\u0107i HCC kristal je u ovom pogledu fleksibilniji, s ukupno 24,75 MB cachea, a taj pove\u0107ani kapacitet djelomi\u010dno se iskori\u0161tava u osmo- i desetjezgrenim procesorima nove generacije.<\/p>\n<p> <img decoding=\"async\" alt=\"Novi \u010dlanak: Core i9-9900X naspram Core i9-9900K: slovo menja sve\" src=\"\/wp-content\/uploads\/2019\/03\/dce4993763b622b9959ee2f8e50e125b.jpg\" style=\"display:block;margin: 0 auto;\" \/> <\/p>\n<p>Kao rezultat toga, svi Skylake-X su ujedna\u010deni po dizajnu, ali s druge strane, ta unifikacija donijela je \u0161iroku primjenu vrlo velikog poluvodi\u010dkog kristala povr\u0161ine oko 485 mm2, \u0161to vi\u0161e od dva i pol puta nadma\u0161uje povr\u0161inu kristala osmojezgarnog Coffee Lake Refresh. To zna\u010di da svaki od LGA2066 procesora devete serije ima znatno vi\u0161u cijenu u odnosu na isti Core i9-9900K. No, unato\u010d tome, osmojezgarnom Core i9-9800X u slu\u017ebenom cjenovniku postavljena je cijena od samo 100 dolara vi\u0161e od Core i9-9900K. Stoga je razmjerno pretpostaviti da proizvodnja osmo- i desetojezgarnog procesora na temelju 18-jezgrenih kristala ipak ima neki ekonomski smisao za Intel, na primjer, tvrtka koristi ovu priliku za prodaju poluvodi\u010dkih kristala s ve\u0107im brojem proizvodnih nedostataka, koji do sada nisu mogli na\u0107i dostojnu primjenu.<\/p>\n<p class=\"h1\">Vi\u0161e informacija o desetojezgrenim Core i9-9900X i Core i9-9820X<\/p>\n<p>Za testiranje smo uzeli dva desekerna procesora \u00abnove generacije\u00bb \u2013 Core i9-9900X i Core i9-9820X. Iako su ovi CPU pre\u0161li na novi HCC \u010dip, u pore\u0111enju s Core i9-7900X nisu se mnogo promenili. Obi\u010dno Intel prilikom objavljivanja drugih generacija procesora za prethodne verzije HEDT platforme prebacuje ih na noviju mikroarhitekturu, ali to se sada nije desilo. Promene su se odnosile samo na numeri\u010dke parametre, dok u obliku Core i9-9900X i Core i9-9820X dobijamo skoro isto \u0161to je pru\u017eao i desekerna verzija Core i9-7900X iz 2017. godine.<\/p>\n<p> <img decoding=\"async\" alt=\"Novi \u010dlanak: Core i9-9900X naspram Core i9-9900K: slovo menja sve\" src=\"\/wp-content\/uploads\/2019\/03\/454a1e780bca43e842d320ca1055c640.jpg\" style=\"display:block;margin: 0 auto;\" \/> <\/p>\n<p>Ali zato Skylake-X druge generacije nema nikakvih problema s kompatibilno\u0161\u0107u: savr\u0161eno rade na postoje\u0107im LGA2066 mati\u010dnim plo\u010dama zasnovanim na Intel X299 kontroleru. Kao i njihovi prethodnici, poseduju \u010detverokana\u010dni DDR4 kontroler memorije, a ugra\u0111eni PCI Express 3.0 kontroler podr\u017eava 44 linije koje se teorijski mogu podeliti na proizvoljan broj slotova \u2013 od tri do jedanaest.<\/p>\n<p>Ipak, poluprovodni\u010dki kristal HCC, koji \u010dini osnovu modela Core i9-9900X i Core i9-9820X, malo se razlikuje od kristala kori\u0161tenih u ranijim, naprednijim modelima Skylake-X. Iako je slu\u017ebeni stepen M0 sa\u010duvan, \u0161to je karakteristi\u010dno za prvobitne verzije Skylake-X s brojem jezgri ve\u0107im od 12, Intel je sada po\u010deo primjenjivati \u200b\u200bizmijenjene litografske maske u proizvodnom procesu koriste\u0107i zreliji tehnolo\u0161ki proces od 14++ nm, umjesto prethodnog procesa od 14+ nm. Klju\u010dna razlika u tehnologijama je malo ve\u0107a razmak izme\u0111u tranzistorskih vrata, \u0161to, kao \u0161to smo ve\u0107 vidjeli na primjeru Coffee Lake, pozitivno uti\u010de na potencijal frekvencije.<\/p>\n<p>Na razini mikroarhitekture nema nikakvih promjena. \u010cudno je, ali novi procesori Skylake-X Refresh nisu dobili nikakva hardverska rje\u0161enja za borbu protiv ranjivosti Meltdown i Spectre. Ovo je jako neobi\u010dno s obzirom na to da u paralelnom proizvodu Coffee Lake Refresh, koji je iza\u0161ao u isto vrijeme, odre\u0111ene zakrpe su ve\u0107 implementirane. Na primjer, moderni LGA1151v2 procesori su za\u0161ti\u0107eni na hardverskoj razini od Meltdown (Variant 3) i L1TF (Variant 5) napada.<\/p>\n<p>No, najtu\u017enije nije ni to. Osnovni razlog za razo\u010daranje je odsustvo bilo kakvih promena u na\u010dinu povezivanja komponenti procesora u celinu. U Skylake-X Refresh i dalje se koristi jednonamenska mre\u017ea Mesh koja je postavljena iznad skupa jezgara procesora. Takav oblik me\u0111usobnog povezivanja je dobro propra\u0107en kod zna\u010dajnog pove\u0107anja broja jezgara u server procesorima, ali za HEDT proizvode s ne prevelikim brojem jezgara mnogo je manje efikasan od tradicionalne prstenaste sabirnice, izazivaju\u0107i drasti\u010dno pove\u0107anje latencije. Jedna od metoda borbe protiv ovog negativnog efekta mogla bi biti ubrzanje Mesh veza, ali ovde je sve ostalo kao i pre. U\u010destalost rada me\u0111uspojeva ostala je na 2,4 GHz, tako da L3 ke\u0161 i kontroler memorije kod LGA2066 procesora imaju znatno lo\u0161iju latenciju u pore\u0111enju s masovnim Coffee Lake Refresh. Istina, delimi\u010dno se to kompenzuje pro\u0161irenim ke\u0161om drugog nivoa, koji kod Skylake-X iznosi 1 MB po jezgru, umesto \u010detiri puta manje.<\/p>\n<p>Sve to se lako mo\u017ee ilustrirati grafikom latencije memorijskog podsistema Skylake-X procesora nove generacije u usporedbi s Coffee Lake Refresh. Jasno pokazuje nedostatak pobolj\u0161anja u situaciji s ka\u0161njenjima kod novih HEDT procesora.<\/p>\n<p><img decoding=\"async\" alt=\"Novi \u010dlanak: Core i9-9900X naspram Core i9-9900K: slovo menja sve\" src=\"\/wp-content\/uploads\/2019\/03\/e6ed7689685f7307aab5db8fbbecd2f4.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Novi \u010dlanak: Core i9-9900X naspram Core i9-9900K: slovo menja sve\" src=\"\/wp-content\/uploads\/2019\/03\/565382c67237cfa83a6524fe749d2a47.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Me\u0111utim, novi desetjezgreni procesori mogu se pohvaliti napretkom u radnim taktnim frekvencijama i veli\u010dini cache memorije. Na primjer, Core i9-9900X ima L3 cache kapaciteta 19,25 MB, \u0161to je 40 % ve\u0107e od cache memorije kod prethodnog desetjezgrenog procesora, Core i9-7900X. Baza nove verzije je pove\u0107ana s 3,3 na 3,5 GHz, ali maksimalna frekvencija Core i9-9900X u turbo re\u017eimu mo\u017ee dose\u0107i istih 4,5 GHz koje su bile dostupne i prethodnoj generaciji desetjezgrenih procesora. U oba slu\u010daja postizanje oznake od 4,5 GHz zahtijeva kori\u0161tenje tehnologije Turbo Boost Max 3.0, dok je tradicionalna turbo frekvencija za Core i9-9900X maksimalno 4,4 GHz.<\/p>\n<p> <img decoding=\"async\" alt=\"Novi \u010dlanak: Core i9-9900X naspram Core i9-9900K: slovo menja sve\" src=\"\/wp-content\/uploads\/2019\/03\/36056da65974f5b7e035d3ed5953c1f8.jpg\" style=\"display:block;margin: 0 auto;\" \/> <\/p>\n<p>Me\u0111utim, u praksi se situacija s frekvencijama Core i9-9900X druga\u010dije postavlja. Pod punim optere\u0107enjem svih jezgri procesor radi na frekvenciji od 4,1 GHz.<\/p>\n<p> <img decoding=\"async\" alt=\"Novi \u010dlanak: Core i9-9900X naspram Core i9-9900K: slovo menja sve\" src=\"\/wp-content\/uploads\/2019\/03\/4badf463b63537f542c01fdd2a87bce1.jpg\" style=\"display:block;margin: 0 auto;\" \/> <\/p>\n<p>Ako to optere\u0107enje koristi AVX instrukcije, frekvencija procesora se smanjuje na 3,8 GHz.<\/p>\n<p> <img decoding=\"async\" alt=\"Novi \u010dlanak: Core i9-9900X naspram Core i9-9900K: slovo menja sve\" src=\"\/wp-content\/uploads\/2019\/03\/f2bcb315d65583c864931aa04f92aae9.jpg\" style=\"display:block;margin: 0 auto;\" \/> <\/p>\n<p>A najresursniji 512-bitni instrukcijski set iz nove AVX-512 grupe pod punim optere\u0107enjem svih jezgri uzrokuje opadanje procesora na 3,4 GHz, \u0161to treba napomenuti da je \u010dak ni\u017ee od deklarirane nominalne frekvencije.<\/p>\n<p> <img decoding=\"async\" alt=\"Novi \u010dlanak: Core i9-9900X naspram Core i9-9900K: slovo menja sve\" src=\"\/wp-content\/uploads\/2019\/03\/eafa556635f9608f8d6dd8e310f0a915.jpg\" style=\"display:block;margin: 0 auto;\" \/> <\/p>\n<p>Ako govorimo o desetjezgrenom Core i9-9820X, koji je na jednu razinu ni\u017ee, razlikuje se od svog ja\u010deg brata uglavnom po veli\u010dini tre\u0107e razine cache memorije, koja mu je smanjena na 16,5 MB. Malo su ni\u017ee i nominalne frekvencije, ali treba napomenuti da svi HEDT procesori tvrtke Intel imaju slobodne mno\u017eenike, \u0161to omogu\u0107ava entuzijastima da zanemare ovaj nedostatak.<\/p>\n<p> <img decoding=\"async\" alt=\"Novi \u010dlanak: Core i9-9900X naspram Core i9-9900K: slovo menja sve\" src=\"\/wp-content\/uploads\/2019\/03\/540562e3bb9289d6114afdf591f8586c.jpg\" style=\"display:block;margin: 0 auto;\" \/> <\/p>\n<p>Ipak, nominalna frekvencija Core i9-9820X je 3,3 GHz, dok maksimalna frekvencija u turbo re\u017eimu iznosi 4,1 ili 4,2 GHz u zavisnosti od toga da li se radi o Turbo Boost 2.0 ili Turbo Boost Max 3.0.<\/p>\n<p>U praksi, pri kori\u0161tenju procesora s postavkama prema zadanim postavkama i optere\u0107enju svih jezgri, Core i9-9820X mo\u017ee raditi na frekvenciji od 4,0 GHz.<\/p>\n<p> <img decoding=\"async\" alt=\"Novi \u010dlanak: Core i9-9900X naspram Core i9-9900K: slovo menja sve\" src=\"\/wp-content\/uploads\/2019\/03\/56f953dd48450d42993cc77e5a570f2d.jpg\" style=\"display:block;margin: 0 auto;\" \/> <\/p>\n<p>Ako optere\u0107enje koristi AVX instrukcije, procesor smanjuje radnu frekvenciju na 3,8 GHz.<\/p>\n<p> <img decoding=\"async\" alt=\"Novi \u010dlanak: Core i9-9900X naspram Core i9-9900K: slovo menja sve\" src=\"\/wp-content\/uploads\/2019\/03\/590d716e50d3b2f7df61b9f319ebb408.jpg\" style=\"display:block;margin: 0 auto;\" \/> <\/p>\n<p>U AVX-512 na\u010dinu rada, frekvencija Core i9-9820X pada na nominalnu vrijednost \u2013 3,3 GHz.<\/p>\n<p> <img decoding=\"async\" alt=\"Novi \u010dlanak: Core i9-9900X naspram Core i9-9900K: slovo menja sve\" src=\"\/wp-content\/uploads\/2019\/03\/37c8d3d0a5a349a65832fb0bbb463be5.jpg\" style=\"display:block;margin: 0 auto;\" \/> <\/p>\n<p>Kada govorimo o tome \u0161to nove desetjezgrene LGA2066 procesore \u010dini boljima od starog Core i9-7900X, ne mo\u017eemo ne spomenuti prijelaz na kori\u0161tenje u\u010dinkovitijeg unutarnjeg toplinskog su\u010delja. Toplinska poklopna plo\u010da sada je zalemljena na kristal, sli\u010dno kao \u0161to je u\u010dinjeno u Coffee Lake Refresh. Intel tvrdi da zbog toga novi procesori u\u010dinkovitije&nbsp; odvajaju toplinu i rade na ni\u017eim temperaturama, no postoji dva ali. Prvo, upotrijebljeno zalemljenje od strane Intela ne izaziva veliko odu\u0161evljenje me\u0111u overklokerima, jer je manje u\u010dinkovito od teku\u0107eg metala. I drugo, sada je ve\u0107ini entuzijasta postupak skalpiranja postao nedostupan: ukloniti poklopac bez o\u0161te\u0107enja procesora postalo je vrlo te\u0161ko, stoga je&nbsp; pobolj\u0161anje postoje\u0107eg toplinskog su\u010delja izuzetno ote\u017eano.<\/p>\n<p>U zaklju\u010dku pri\u010de o karakteristikama Core i9-9900X i Core i9-9820X treba spomenuti i cijene. Intel ovdje nije pokazao nikakvu ma\u0161tu i postavio je cijenu vi\u0161eg deset jezgreni Core i9-9900X na iste $989 koje je tra\u017eio za procesor Core i9-7900X, koji pripada pro\u0161loj generaciji. No, Core i9-9820X je jeftiniji za $100, \u0161to ga \u010dini privla\u010dnijom ponudom za entuzijaste, jer manji L3 ke\u0161 od 15 % vjerojatno ne\u0107e zna\u010dajno utjecati na performanse, a nominalne taktu frekvencije za prave entuzijaste visoke performanse nemaju nikakvu va\u017enost.<\/p>\n<p>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/3dnews.ru\/984758\">3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 LGA2066 \u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u044b \u0441\u0435\u043c\u0435\u0439\u0441\u0442\u0432\u0430 Skylake-X \u0431\u044b\u043b\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u044b Intel \u0431\u043e\u043b\u0435\u0435 \u043f\u043e\u043b\u0443\u0442\u043e\u0440\u0430 \u043b\u0435\u0442 \u0442\u043e\u043c\u0443 \u043d\u0430\u0437\u0430\u0434. 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\u0441\u043e\u0434\u0435\u0440\u0436\u0430\u043b\u0438 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u0431\u043e\u043b\u044c\u0448\u0435\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u044f\u0434\u0435\u0440 \u043f\u043e \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044e \u0441 \u043f\u0440\u0438\u0432\u044b\u0447\u043d\u044b\u043c\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u0442\u0435\u043b\u044f\u043c\u0438 \u0441\u0435\u043c\u0435\u0439\u0441\u0442\u0432 Kaby Lake \u0438 Coffee Lake. \u041e\u0434\u043d\u0430\u043a\u043e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":22458,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-30458","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 LGA2066 \u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u044b \u0441\u0435\u043c\u0435\u0439\u0441\u0442\u0432\u0430 Skylake-X \u0431\u044b\u043b\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u044b Intel \u0431\u043e\u043b\u0435\u0435 \u043f\u043e\u043b\u0443\u0442\u043e\u0440\u0430 \u043b\u0435\u0442 \u0442\u043e\u043c\u0443 \u043d\u0430\u0437\u0430\u0434.\" \/>\n\t<meta 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