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Intel Core i7-980X Extreme Edition - korak naprijed
11.03.2010.
    « Prev  : Stranica 2 od 5 :  Next »      By ::  Krešimir Matanović 
- Test sistem, način testiranja i overclocking -

Test sistem:

Test sistem :: Hardware
Platforme

Foxconn Bloodrage;

BIOS: Gulftown Beta

Procesor(i)

Intel Core i7-980XE;

Intel Core i7-965XE @ 3.33 GHz

Memorija

OCZ 3x 2GB DDR3 PC3-12800

Grafičke kartice

ATI Radeon HD5870 1GB;

Driveri: Catalyst 10.2

Muzička kartica

On Board

Hard disk(ovi)

Hitachi Deskstar 500GB SATA II

DVD-RW HP GSA-H60L

Testni sistem :: Software
OS Windows 7 Ultimate x64
Chipset datoteke

Intel Chipset 9.1.1.1020

DirectX verzija 11
PC Mark Vantage

x64, Default

Cinebench

R11

Adobe Photoshop

CS4

Euler3D

BM2

Handbrake

x64

WinRAR x64 v. 3.90
Call of Duty 4
v. 1.7, Medium
Dawn of War 2 Medium
DIRT 2 Demo, Medium details (0xAA, 0xAF)
S.T.A.L.K.E.R. Call of Pripyat

Demo, DX11, Medium

 

Način testiranja i overclocking

S obzirom da je za Gulftown procesore potrebno flashati novi BIOS na svim matičnim pločama, to smo napravili najprije - naravno sa Bloomfield procesorom. Za usporedbu sa i7-980XE procesorom smo koristili model kojeg zamjenjuje i7-965XE na taktu i7-975XE modela. 975XE koji je do sada koštao 999 USD odlazi u povijest a 980XE dolazi na njegovo mjesto po istoj cijeni. Turbo je bio na oba procesora tijekom svih testova uključen, baš kao i sve Power Save opcije. Za benchmarking smo koristili već poznati set aplikacija koje su u stanju iskoristiti 4 ili više jezgri te nekoliko igara. Procesor smo hladili Megahalems hladnjakom i Noctuinim 14cm ventilatorom, a pasta je bila Noctuina NT-H1.

Bloodrage ploča na kojoj smo testirali pokazivala je određene mušice u radu, a s obzirom na kratkoću vremena za testiranje nismo stigli isprobati kako se sa Gulftownom ponašaju druge ploče. Tako je napon Blomfield procesora varirao u vrlo malom rasponu od 1.18V pa do 1.28V (između idlea i loada), dok je Gulftownov varirao između 0.94V i 1.23V što je po specifikacijama (Intel navodi minimalni VID od 0.8V a maksimalni 1.375V). Ujedno procesor nismo mogli overclockirati podizanjem množitelja, nego samo baseclocka. Pripisujemo to beta BIOS-u koji očito nije posložen kako treba. Problem smo imali i sa postavljanjem vrijednosti maksimalnog TDP-a i količine struje koju CPU "vuče", tj. mijenjanjem parametara samog PCU-a. PCU (Power Control Unit) je u Bloodrageu moguće postaviti u OFF mod ili u Manual - automatskog nema. U manual modu se vrijednosti kreću od 0 pa do 2676. Zbog kratkoće vremena nismo stigli eksperimentirati sa vrijednostima pa smo ih za overclocking postavili na maksimum. Potrošnja i zagrijavanje su u tome slučaju skočile u nebesa (sa 257W na oko 360W) i jasno je kako naš zračni hladnjak to nije mogao jednostavno savladati. Sa takvim problemima smo Gulftowna uspjeli natjerati na 25 x 168MHz za konačnih 4.209,8MHz što nipošto nije loš rezultat. Ipak da je PCM kontrola bila intuitivnija, ili da ju je bilo moguće postaviti u automatski mod vjerujemo kako bi rezultat bio još viši. Sa naponom nismo "divljali" jer nije bilo potrebe, a i procesor mora ići u druge redakcije pa je nužno da ostane živ. Nadamo se kako ćemo ga u nekom trenutku ponovno imati prilike isprobati na nekoj drugoj ploči i sa stabilnijim BIOS-om.



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