{"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\/ro\/blog\/news\/novaya-statya-core-i9-9900x-protiv-core-i9-9900k-bukva-menyaet-vsyo","title":{"rendered":"Articol nou: Core i9-9900X vs Core i9-9900K: litera schimb\u0103 totul","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Platforma LGA2066 \u0219i procesoarele din familia Skylake-X au fost prezentate de Intel cu mai bine de un an \u0219i jum\u0103tate \u00een urm\u0103. Ini\u021bial, aceast\u0103 solu\u021bie a fost destinat\u0103 segmentului HEDT, adic\u0103 sistemelor de \u00eenalt\u0103 performan\u021b\u0103 pentru utilizatorii care creeaz\u0103 \u0219i proceseaz\u0103 con\u021binut, deoarece Skylake-X con\u021bineau un num\u0103r semnificativ mai mare de nuclee de procesare comparativ cu reprezentan\u021bii obi\u0219nui\u021bi ai familiilor Kaby Lake \u0219i Coffee Lake.<\/p>\n

Cu toate acestea, pe parcursul timpului scurs de la apari\u021bia Skylake-X, peisajul pie\u021bei procesoarelor s-a schimbat semnificativ, iar ast\u0103zi procesoarele CPU accesibile pot avea \u0219ase sau chiar opt nuclee de procesare, iar procesoarele de mas\u0103 promi\u021b\u0103toare, care urmeaz\u0103 s\u0103 fie lansate \u00een acest an, ar putea avea zece sau chiar dou\u0103sprezece nuclee. Face acest lucru Skylake-X procesoare inutile? Probabil c\u0103 nu. \u00cen primul r\u00e2nd, printre reprezentan\u021bii acestei serii exist\u0103 oferte cu 16 \u0219i 18 nuclee, iar variante similare disponibile pe pia\u021b\u0103 nu vor ap\u0103rea prea cur\u00e2nd. \u00cen al doilea r\u00e2nd, platforma LGA2066 ofer\u0103 \u0219i alte avantaje care le diferen\u021biaz\u0103 de procesoarele consumator obi\u0219nuite, cum ar fi superioritatea \u00een ceea ce prive\u0219te num\u0103rul de canale de memorie \u0219i liniile PCI Express disponibile.<\/p>\n

Prin urmare, actualizarea cosmetic\u0103 a gamei de modele Skylake-X, pe care gigantul microprocesorilor a realizat-o la sf\u00e2r\u0219itul anului trecut, a p\u0103rut destul de logic\u0103 \u2013 s-a \u00eencadrat perfect \u00een programul anual de anun\u021buri al Intel. Cu toate acestea, atitudinea produc\u0103torului fa\u021b\u0103 de noile sale produse HEDT ne-a surprins pu\u021bin: compania nu a revizuit pre\u021burile \u0219i, \u00een plus, a refuzat s\u0103 ofere mostre ale procesorului presei IT, limit\u00e2ndu-se doar la o prezentare formal\u0103 \u0219i la \u00eenceputul v\u00e2nz\u0103rilor.<\/p>\n

\"Articol <\/p>\n

Se pare c\u0103 compania a considerat noile Skylake-X ca fiind produse secundare \u0219i neinteresante, \u00eens\u0103 noi nu suntem de acord cu aceast\u0103 formulare. Da, num\u0103rul nucleelor de calcul din aceast\u0103 gam\u0103 nu a crescut \u00een cadrul actualiz\u0103rii. Cu toate acestea, acestea beneficiaz\u0103 de alte \u00eembun\u0103t\u0103\u021biri interesante: noile modele au frecven\u021be de ceas m\u0103rite, o capacitate L3 cache crescut\u0103 \u0219i un mediu termic intern \u00eembun\u0103t\u0103\u021bit. De aceea, am decis s\u0103 acord\u0103m o aten\u021bie actualiz\u0103rilor Skylake-X, \u00een ceea ce ne-a ajutat mult magazinul de computere \u201eRegard\u201d, care a acceptat s\u0103 ne ofere pentru studiu dou\u0103 noi procesoare cu zece nuclee LGA2066: Core i9-9820X \u0219i Core i9-9900X.<\/p>\n

\u00cen plus, \u00eenc\u0103 de la anun\u021bul Skylake-X Refresh, ne-a fr\u0103m\u00e2ntat o \u00eentrebare: de ce Intel a ales un nume at\u00e2t de similar cu popularul procesor de consoan\u0103 cu opt nuclee Core i9-9900K pentru modelul s\u0103u HEDT cu zece nuclee? Ce \u00eenseamn\u0103 asta? \u0218i acum avem ocazia s\u0103 ne l\u0103murim...<\/p>\n

Seria de modele Skylake-X Refresh<\/p>\n

Despre apari\u021bia noilor procesoare LGA2066 cu numerele de model din seria nou\u0103 Intel a anun\u021bat \u00eenc\u0103 din octombrie anul trecut. Noul lot include \u0219apte modele: \u0219ase procesoare din seria Core i9 cu un num\u0103r de nuclee de la 10 la 18 \u0219i un model Core i7 cu opt nuclee, considerate de nivel de \u00eenceput. Nu mai sunt prev\u0103zute procesoare cu \u0219ase sau patru nuclee pentru LGA2066 \u00een aceast\u0103 nou\u0103 genera\u021bie, ceea ce, av\u00e2nd \u00een vedere cre\u0219terea rapid\u0103 a capacit\u0103\u021bilor platformei LGA1151v2, nu surprinde deloc.<\/p>\n\n\n\n\n\n\n\n\n\n\n
<\/th>\nNuclee \/ fire<\/th>\nFrecven\u021ba de baz\u0103, GHz<\/th>\nFrecven\u021ba turbo, GHz<\/th>\nCache L3, MB<\/th>\nMemorie<\/th>\nTDP, W<\/th>\nPre\u021b<\/th>\n<\/tr>\n
Core i9-9980XE<\/strong><\/td>\n18\/36<\/td>\n3,0<\/td>\n4,5<\/td>\n24,75<\/td>\nDDR4-2666<\/td>\n165<\/td>\n$1 979<\/td>\n<\/tr>\n
Core i9-9960X<\/strong><\/td>\n16\/32<\/td>\n3,1<\/td>\n4,5<\/td>\n22,0<\/td>\nDDR4-2666<\/td>\n165<\/td>\n$1 684<\/td>\n<\/tr>\n
Core i9-9940X<\/strong><\/td>\n14\/28<\/td>\n3,3<\/td>\n4,5<\/td>\n19,25<\/td>\nDDR4-2666<\/td>\n165<\/td>\n$1 387<\/td>\n<\/tr>\n
Core i9-9920X<\/strong><\/td>\n12\/24<\/td>\n3,5<\/td>\n4,5<\/td>\n19,25<\/td>\nDDR4-2666<\/td>\n165<\/td>\n$1 189<\/td>\n<\/tr>\n
Core i9-9900X<\/strong><\/td>\n10\/20<\/td>\n3,5<\/td>\n4,5<\/td>\n19,25<\/td>\nDDR4-2666<\/td>\n165<\/td>\n$989<\/td>\n<\/tr>\n
Core i9-9820X<\/strong><\/td>\n10\/20<\/td>\n3,3<\/td>\n4,2<\/td>\n16,5<\/td>\nDDR4-2666<\/td>\n165<\/td>\n$889<\/td>\n<\/tr>\n
Core i7-9800X<\/strong><\/td>\n8\/16<\/td>\n3,8<\/td>\n4,5<\/td>\n16,5<\/td>\nDDR4-2666<\/td>\n165<\/td>\n$589<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Cea mai notabil\u0103 modificare \u00een procesoarele enumerate \u00een tabel, comparativ cu modelele anterioare din seria Skylake-X, a fost cre\u0219terea frecven\u021belor de lucru. Frecven\u021bele nominale au crescut cu 200-600 MHz, iar frecven\u021bele maxime, atinse \u00een modul turbo, au crescut cu 200-300 MHz. \u00cen plus, pentru modelele mai mici din serie, dimensiunea memoriei cache de nivel 3 a crescut. \u00cen trecut, aceasta era calculat\u0103 pe baza regulii \u201e1,375 MB pe nucleu\u201d, iar acum, fiecare nucleu poate avea aproximativ 2 MB de cache. \u00cen cele din urm\u0103, controllerul PCI Express al procesorului octa-core Core i7-9800X a fost complet deblocat, ceea ce a permis acestui procesor s\u0103 utilizeze toate cele 44 de linii, care anterior erau disponibile doar pentru procesoare cu 10 nuclee sau mai multe.<\/p>\n

Cu toate acestea, toate aceste schimb\u0103ri pl\u0103cute au dus \u0219i la o cre\u0219tere a disip\u0103rii c\u0103ldurii. \u00cen timp ce prima genera\u021bie Skylake-X avea un TDP limitat la 140 W, \u00een noile procesoare caracteristica TDP a fost crescut\u0103 la 165 W. Cu alte cuvinte, pentru frecven\u021bele sporite atribuite noilor procesoare, f\u0103r\u0103 a aduce modific\u0103ri fundamentale \u00een procesul tehnologic de fabrica\u021bie de 14 nm, se pl\u0103te\u0219te cu limite energetice \u0219i termice extinse.<\/p>\n

Desigur, Intel sus\u021bine c\u0103 cre\u0219terea caracteristicilor de vitez\u0103 s-a datorat implement\u0103rii tehnologiei de fabrica\u021bie de genera\u021bie a treia, denumit\u0103 conven\u021bional 14++ nm, conform c\u0103reia sunt fabricate acum procesoarele Coffee Lake \u0219i Coffee Lake Refresh. Dac\u0103 nu ar fi fost aceasta, disiparea c\u0103ldurii ar fi putut fi \u0219i mai mare. \u00cens\u0103 nu exist\u0103 motive de \u00eengrijorare c\u0103 noile Skylake-X ar putea fi susceptibile la supra\u00eenc\u0103lzire. Temperatura de lucru a noilor procesoare ar trebui s\u0103 fie redus\u0103 datorit\u0103 materialului termoconductiv \u00eembun\u0103t\u0103\u021bit sub capacul de distribu\u021bie a c\u0103ldurii. Solderul, cu o conductivitate termic\u0103 mai mare, a \u00eenlocuit pasta termoconductoare polimeric\u0103 folosit\u0103 anterior.<\/p>\n

\"Articol <\/p>\n

Dar tot ceea ce a fost spus mai sus este doar v\u00e2rful aisbergului. Adev\u0103rul este c\u0103 modificarea specifica\u021biilor, \u0219i \u00een special cre\u0219terea dimensiunii memoriei cache de nivel 3, are o baz\u0103 mult mai nea\u0219teptat\u0103. Acum, pentru lansarea procesoarelor HEDT, Intel a \u00eenceput s\u0103 foloseasc\u0103 cristale semiconductoare sensibile diferite.<\/p>\n

Aceasta \u00eenseamn\u0103 urm\u0103toarele: procesoarele HEDT au fost \u00eentotdeauna o varietate desktop a chip-urilor server. \u00cen mod tradi\u021bional, Intel a preluat variantele mai mici ale Xeon, le-a adaptat cu un controller de memorie \u0219i c\u00e2teva alte caracteristici \u0219i le-a transferat \u00een mediul desktop. \u00cen acest context, \u00een timp ce pentru produsele sale server, Intel producea trei versiuni de cristale semiconductoare: LCC (Low Core Count) cu 10 nuclee, HCC (High Core Count) cu 18 nuclee \u0219i XCC (eXtreme Core Count) cu 28 nuclee, \u00een procesoarele HEDT desktop ajungeau doar cele mai simple versiuni ale cristalelor. Astfel, \u00een procesoarele Skylake-X de prima genera\u021bie cu 6, 8 \u0219i 10 nuclee era utilizat cristalul LCC, iar \u00een modific\u0103rile cu 12, 14, 16 \u0219i 18 nuclee era utilizat cristalul HCC.<\/p>\n

\"Articol <\/p>\n

\u00cen noul Skylake-X, despre care vorbim ast\u0103zi, varianta mai mic\u0103 a cristalului LCC nu mai este utilizat\u0103. Toate noile procesoare HEDT din seria 9000, inclusiv variantele cu 8 \u0219i 10 nuclee, se bazeaz\u0103 pe cristalul HCC. Adic\u0103, chiar \u0219i \u00een Core i7-9800X sau Core i9-9900X pot exista poten\u021bial 18 nuclee, dar o parte semnificativ\u0103 a acestora este blocat\u0103 hardware \u00een timpul produc\u021biei.<\/p>\n

Aceast\u0103 solu\u021bie ciudat\u0103 la prima vedere a fost adoptat\u0103 tocmai pentru a cre\u0219te volumul memoriei cache \u00een noile procesoare. Arhitectura Skylake-X preconizeaz\u0103 c\u0103 pentru fiecare nucleu de calcul este alocat\u0103 o por\u021bie de memorie cache de 1,375 MB. \u0218i dac\u0103 \u00een acela\u0219i Core i9-9900X ar fi fost utilizat cristalul mai mic LCC, acest procesor nu ar fi putut ob\u021bine mai mult de 13,75 MB de cache L3. Cristalul mai mare HCC, sub acest aspect, este mai flexibil, av\u00e2nd \u00een total 24,75 MB de cache, iar aceast\u0103 dimensiune crescut\u0103 este par\u021bial utilizat\u0103 \u00een procesoarele de ultim\u0103 genera\u021bie cu 8 \u0219i 10 nuclee.<\/p>\n

\"Articol <\/p>\n

Ca urmare a celor men\u021bionate, toate Skylake-X au fost unificate \u00een design, \u00eens\u0103 reversul acestei unific\u0103ri a fost utilizarea pe scar\u0103 larg\u0103 a unui cip semiconductor foarte mare, cu o suprafa\u021b\u0103 de aproximativ 485 mm2, care dep\u0103\u0219e\u0219te cu mai mult de dou\u0103 ori aria cipului procesoarelor octacore Coffee Lake Refresh. Aceasta \u00eenseamn\u0103 c\u0103 oricare dintre procesoarele din seria nou\u0103 LGA2066 are un cost de produc\u021bie semnificativ mai mare comparativ cu Core i9-9900K. Cu toate acestea, octacore Core i9-9800X este evaluat \u00een lista oficial\u0103 de pre\u021buri cu doar $100 mai mult dec\u00e2t Core i9-9900K. Prin urmare, este rezonabil s\u0103 presupunem c\u0103 produc\u021bia de procesoare cu opt \u0219i zece nuclee bazate pe cipuri de 18 nuclee are totu\u0219i un sens economic pentru Intel, de exemplu, compania profit\u0103 de aceast\u0103 oportunitate pentru a utiliza cipuri semiconductorice cu un num\u0103r mai mare de defecte de fabrica\u021bie, care p\u00e2n\u0103 acum nu au g\u0103sit o aplicare adecvat\u0103.<\/p>\n

Detalii despre procesoarele Core i9-9900X \u0219i Core i9-9820X cu 10 nuclee<\/p>\n

Pentru testare, am luat dou\u0103 procesoare cu zece nuclee din «noua genera\u021bie» \u2013 Core i9-9900X \u0219i Core i9-9820X. Chiar dac\u0103 aceste CPU au migrat pe un nou cristal HCC, comparativ cu Core i9-7900X, modific\u0103rile nu sunt semnificative. De obicei, Intel, la lansarea a doua genera\u021bie de procesoare pentru platformele anterioare HEDT, le muta pe o microarhitectur\u0103 mai nou\u0103, dar de data aceasta acest lucru nu s-a \u00eent\u00e2mplat. Schimb\u0103rile au vizat doar parametrii numerici, iar calitativ, \u00een cazul Core i9-9900X \u0219i Core i9-9820X, avem aproape acela\u0219i lucru pe care l-a oferit \u0219i procesorul cu zece nuclee Core i9-7900X din 2017.<\/p>\n

\"Articol <\/p>\n

\u00cen schimb, Skylake-X a doua genera\u021bie nu are probleme de compatibilitate: func\u021bioneaz\u0103 excelent \u00een pl\u0103cile de baz\u0103 LGA2066 existente, bazate pe chipset-ul Intel X299. Ca \u0219i predecesorii lor, au un controler quad-channel pentru memorie DDR4, iar controlerul PCI Express 3.0 integrat suport\u0103 44 de linii, care teoretic pot fi \u00eemp\u0103r\u021bite \u00een orice num\u0103r de sloturi \u2013 de la trei la unsprezece.<\/p>\n

Cu toate acestea, cristalul semiconductor HCC, care st\u0103 la baza Core i9-9900X \u0219i Core i9-9820X, este ceva diferit fa\u021b\u0103 de cristalele utilizate \u00een versiunile anterioare Skylake-X. De\u0219i stepele formale au p\u0103strat num\u0103rul M0, caracteristic versiunilor ini\u021biale Skylake-X cu mai mult de 12 nuclee, Intel a \u00eenceput s\u0103 aplice \u00een procesul de produc\u021bie m\u0103\u0219ti litografice modificate datorit\u0103 utiliz\u0103rii unui proces tehnologic mai matur de 14++ nm, \u00een loc de vechiul proces de 14+ nm. Principala diferen\u021b\u0103 \u00eentre tehnologii const\u0103 \u00een distan\u021ba u\u0219or mai mare \u00eentre por\u021bile tranzistorilor, ceea ce, a\u0219a cum am v\u0103zut \u00een cazul Coffee Lake, are un impact pozitiv asupra poten\u021bialului de frecven\u021b\u0103.<\/p>\n

La nivel de microarhitectur\u0103, nu exist\u0103 deloc schimb\u0103ri. E fascinant, dar noile procesoare Skylake-X Refresh nu au primit nici m\u0103car corec\u021bii hardware pentru a combate vulnerabilit\u0103\u021bile Meltdown \u0219i Spectre. Asta este foarte ciudat, av\u00e2nd \u00een vedere c\u0103 \u00een produsul paralel Coffee Lake Refresh, lansat \u00een acela\u0219i timp, anumite patch-uri au ap\u0103rut deja. De exemplu, procesoarele moderne LGA1151v2 sunt protejate \u00eempotriva atacurilor Meltdown (Variant 3) \u0219i L1TF (Variant 5) la nivel hardware.<\/p>\n

Dar cea mai frustrant\u0103 situa\u021bie nu este aceasta. Motivele principale de sup\u0103rare sunt lipsa schimb\u0103rilor \u00een schema de integrare a componentelor procesorului \u00eentr-o singur\u0103 unitate. \u00cen Skylake-X Refresh, continu\u0103 s\u0103 se foloseasc\u0103 o re\u021bea Mesh de tipul celulei uniforme, suprapus\u0103 pe matricea nucleelor procesorului. Aceast\u0103 schem\u0103 de interconectare \u00eentre nuclee se comport\u0103 bine la cre\u0219terea semnificativ\u0103 a num\u0103rului de nuclee \u00een procesoarele server, dar pentru produsele HEDT cu un num\u0103r nu prea mare de nuclee, se potrive\u0219te mult mai prost dec\u00e2t tradi\u021bionala re\u021bea de tip ring, ducind la o cre\u0219tere dramatic\u0103 a laten\u021belor. O metod\u0103 de combatere a acestui efect negativ ar fi putut fi accelerarea conexiunilor Mesh, dar aici totul a r\u0103mas la fel. Frecven\u021ba de func\u021bionare a interconexiunilor \u00een Skylake-X, at\u00e2t \u00een versiunea anterioar\u0103, c\u00e2t \u0219i \u00een cea actual\u0103, este stabilit\u0103 la 2,4 GHz, astfel \u00eenc\u00e2t cache-ul L3 \u0219i controllerul de memorie al procesoarelor LGA2066 au o laten\u021b\u0103 vizibil mai proast\u0103 \u00een compara\u021bie cu echipamentele Coffee Lake Refresh. Totu\u0219i, aceasta este par\u021bial compensat\u0103 de cache-ul de nivel 2, care la Skylake-X are o capacitate de 1 MB pe nucleu, fiind de patru ori mai mare.<\/p>\n

Totul poate fi u\u0219or ilustrat printr-un grafic al laten\u021bei subsistemului de memorie al procesoarelor Skylake-X de genera\u021bie actual\u0103 \u00een compara\u021bie cu Coffee Lake Refresh. Acesta arat\u0103 clar lipsa \u00eembun\u0103t\u0103\u021birilor \u00een ceea ce prive\u0219te \u00eent\u00e2rzierile la noile procesoare HEDT.<\/p>\n

\"Articol
\n\"Articol<\/p>\n

\u00cen schimb, noile procesoare cu zece core pot s\u0103 se laude cu progrese \u00een frecven\u021bele de func\u021bionare \u0219i \u00een dimensiunea memoriei cache. De exemplu, Core i9-9900X dispune de un cache L3 victim\u0103 cu o capacitate de 19,25 MB, ceea ce dep\u0103\u0219e\u0219te cu 40% dimensiunea cache-ului din vechiul procesor cu zece core, Core i9-7900X. Frecven\u021ba de baz\u0103 a noului model a crescut de la 3,3 la 3,5 GHz, \u00eens\u0103 frecven\u021ba maxim\u0103 \u00een modul Turbo pentru Core i9-9900X poate ajunge la acelea\u0219i 4,5 GHz care erau disponibile \u0219i pentru procesorul din genera\u021bia anterioar\u0103. \u00cen ambele cazuri, atingerea valorii de 4,5 GHz necesit\u0103 utilizarea tehnologiei Turbo Boost Max 3.0, \u00een timp ce modul Turbo tradi\u021bional are o frecven\u021b\u0103 maxim\u0103 de 4,4 GHz pentru Core i9-9900X.<\/p>\n

\"Articol <\/p>\n

Cu toate acestea, \u00een practic\u0103, situa\u021bia cu frecven\u021bele Core i9-9900X este oarecum diferit\u0103. Sub o sarcin\u0103 pe toate nucleele, procesorul func\u021bioneaz\u0103 la o frecven\u021b\u0103 de 4,1 GHz.<\/p>\n

\"Articol <\/p>\n

Dac\u0103 aceast\u0103 sarcin\u0103 utilizeaz\u0103 instruc\u021biuni AVX, frecven\u021ba procesorului scade la 3,8 GHz.<\/p>\n

\"Articol <\/p>\n

Iar cele mai consumatoare de resurse, instruc\u021biunile de 512 bi\u021bi din noul set AVX-512, sub o sarcin\u0103 complet\u0103 pe toate nucleele, determin\u0103 procesorul s\u0103 reduc\u0103 viteza la 3,4 GHz, ceea ce, trebuie men\u021bionat, este chiar sub frecven\u021ba nominal\u0103 anun\u021bat\u0103 \u00een specifica\u021bii.<\/p>\n

\"Articol <\/p>\n

Dac\u0103 discut\u0103m despre Core i9-9820X cu zece core, care este un nivel mai jos, acesta se distinge de fratele s\u0103u mai mare \u00een principal prin dimensiunea cache-ului de nivel 3, care a fost redus\u0103 la 16,5 MB. De asemenea, frecven\u021bele nominale sunt pu\u021bin mai mici, dar nu trebuie s\u0103 uit\u0103m c\u0103 toate procesoarele HEDT ale companiei Intel au multiplicatori liberi, ceea ce va permite entuzia\u0219tilor s\u0103 ignore acest dezavantaj.<\/p>\n

\"Articol <\/p>\n

Cu toate acestea, frecven\u021ba nominal\u0103 a Core i9-9820X este de 3,3 GHz, iar frecven\u021ba maxim\u0103 \u00een modul turbo este de 4,1 sau 4,2 GHz, \u00een func\u021bie de tehnologia Turbo Boost 2.0 sau Turbo Boost Max 3.0.<\/p>\n

\u00cen practic\u0103, atunci c\u00e2nd se utilizeaz\u0103 procesorul cu set\u0103rile prestabilite \u0219i sub o sarcin\u0103 pe toate nucleele, Core i9-9820X poate func\u021biona la o frecven\u021b\u0103 de 4,0 GHz.<\/p>\n

\"Articol <\/p>\n

Dac\u0103 sarcina utilizeaz\u0103 instruc\u021biuni AVX, procesorul reduce frecven\u021ba de func\u021bionare la 3,8 GHz.<\/p>\n

\"Articol <\/p>\n

\u00cen modul AVX-512, frecven\u021ba Core i9-9820X scade la nominala \u2013 3,3 GHz.<\/p>\n

\"Articol <\/p>\n

C\u00e2nd vorbim despre cum noile procesoare LGA2066 cu zece nuclee sunt mai bune dec\u00e2t vechiul Core i9-7900X, nu putem s\u0103 nu men\u021bion\u0103m trecerea la un interfa\u021b\u0103 termic\u0103 intern\u0103 mai eficient\u0103. Capacitatea de disipare a c\u0103ldurii este acum lipit\u0103 de cristal, similar cu ceea ce s-a f\u0103cut \u00een Coffee Lake Refresh. Intel afirm\u0103 c\u0103, datorit\u0103 acestui lucru, noile procesoare sunt mai bine r\u0103cite \u0219i func\u021bioneaz\u0103 la temperaturi mai sc\u0103zute, \u00eens\u0103 exist\u0103 dou\u0103 aspecte importante. \u00cen primul r\u00e2nd, lipiciul utilizat de Intel nu entuziasmeaz\u0103 \u00een r\u00e2ndul overclock-erilor, deoarece este mai pu\u021bin eficient dec\u00e2t metalul lichid. \u00cen al doilea r\u00e2nd, acum, pentru majoritatea pasiona\u021bilor, procedura de scalpare a devenit inaccesibil\u0103: \u00eendep\u0103rtarea capacului f\u0103r\u0103 a deteriorationa procesorul a devenit foarte complicat\u0103, f\u0103c\u00e2nd astfel \u00eembun\u0103t\u0103\u021birea interfe\u021bei termice existente extrem de dificil\u0103.<\/p>\n

\u00cen \u00eencheierea discu\u021biei despre caracteristicile Core i9-9900X \u0219i Core i9-9820X, merit\u0103 men\u021bionate \u0219i pre\u021burile. Aici, Intel nu a avut prea mult\u0103 imagina\u021bie \u0219i a stabilit pre\u021bul pentru seniorul cu zece nuclee Core i9-9900X la acelea\u0219i 989 dolari, pe care \u00eei ceruse pentru procesorul Core i9-7900X din genera\u021bia precedent\u0103. \u00cens\u0103, Core i9-9820X cost\u0103 cu 100 de dolari mai pu\u021bin, ceea ce \u00eel face o ofert\u0103 mai atractiv\u0103 pentru entuzia\u0219ti, deoarece diferen\u021ba de 15% \u00een cache-ul L3 nu va afecta prea mult performan\u021ba, iar frecven\u021bele nominale nu au nicio importan\u021b\u0103 pentru adev\u0103ra\u021bii entuzia\u0219ti ai performan\u021bei \u00eenalte.<\/p>\n

Sursa: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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. \u0418\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e \u044d\u0442\u043e \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u043d\u0430\u0446\u0435\u043b\u0438\u0432\u0430\u043b\u043e\u0441\u044c \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 \u043d\u0430 \u0441\u0435\u0433\u043c\u0435\u043d\u0442 HEDT, \u0442\u043e \u0435\u0441\u0442\u044c \u043d\u0430 \u0432\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0434\u043b\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0442\u0441\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435\u043c \u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u043a\u043e\u043d\u0442\u0435\u043d\u0442\u0430, \u0432\u0435\u0434\u044c Skylake-X \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 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