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AMD Phenom II X4 965 BE C3
09.12.2009.
    « Prev  : Stranica 1 od 4 :  Next »      By ::  Krešimir Matanović 
- Opis -

Ovaj Deneb je baš kao i ostali napravljen u Njemačkom gradu Dresdenu, u Globalfoundriesovoj FAB1 tvornici. Ima 258 mm2 površinu jezgre, na koju se smjestilo oko 758 milijuna tranzistora. Baš kao i procesor C2 revizije radi na brzini od 3.4GHz pri naponu na 1.4V. Cache arhitektura je identična - tu je 4 x 64 KB podatkovne i 4 x 64 KB instrukcijske L1 memorije, 4 x 512 KB L2 i 6 MB L3 memorije koju jezgre dijele međusobno. Novi C3 procesor je prepoznatljiv po stepping oznaci AACAC AC, dok starija verzija ima stepping CACYC AC. Kao što smo napisali u uvodu, novi stepping procesora u pravilu donosi pobljšanja na dizajnu pa tako ni ovaj procesor nije iznimka. C3 donosi tri bitnije novosti. Termalni dizajn, odnosno TDP mu je sa 140W kod C2 snižen na 125W što bi trebalo rezultirati nižom potrošnjom električne energije, nižim zagrijavanjem i samim time boljim overclocking potencijalom. U C3 reviziju je sada hardverski implementirano C1E stanje, što omogućava bržu izmjenu naponskih stanja, tj. eliminaciju utjecaja tih promjena na performanse. Treća i ne manje bitna izmjena odnosi se na integrirani memorijski kontroler. C2 revizija je podržavala dva DDR3 memorijska modula brzine 1333MHz, dok nova C3 podržava njih četiri.

CPU-Z je ispravno prepoznao procesor kao RB-C3 reviziju. Za sve koji možda ne znaju, ovaj procesor ima otključan množitelj te ga je samim time vrlo lako natjerati do krajnjih granica. I premda C2 reviziju nismo imali prilike testirati, iz testova naših kolega vidljivo je kako je ona svoj maksimum na zračnom hlađenju davala između 3.8 i 3.9GHz. Ovo je ipak ponajprije ovisilo o kvaliteti hladnjaka, tj. naponu na kojem se recezent odvažio testirati. Mi smo kod Athlona II i Phenoma II psihičku granicu postavili na oko 1.55V. Tijekom testova ovih procesora nekako se pokazalo da ih iznad toga nema smisla tjerati jer je zagrijavanje i sa odličnim zračnim hladnjakom jednostavno preveliko. Kakve smo rezulatate overclockinga ostvarili sa ovom revizijom pogledajte na sljedećoj stranici.



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