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Gigabyte GeForce GTX275 Super Overclock
25.10.2009.
    « Prev  : Stranica 2 od 5 :  Next »      By ::  Krešimir Matanović 
- Test sistem, način testiranja i overclocking -

Test sistem:

Test sistem :: Hardware
Platforme

Gigabyte EX58-UD5P

Procesor(i)

Intel Core i7 920

Memorija

3x 2GB DDR3 Kingmax 1333

Grafičke kartice

Gigabyte GTX275 SOC 1792MB

Driveri: Forceware 191.07;

Nvidia GTX275 896MB

Driveri: Forceware 191.07;

Zotac GTX280 AMP! 1024MB

Driveri: Forceware 191.07;

ATI Radeon HD4890 1024MB

Driveri: Catalyst 9.9

Muzička kartica

On Board

Hard disk(ovi)

Hitachi 500GB SATA II

DVD-RW HP GSA-H60L

Testni sistem :: Software
OS Windows Vista Ultimate 64-bit SP1
Chipset datoteke

Intel 9.1.0.1007

DirectX verzija 10.1
3DMark Vantage Default
Crysis Warhead

v.1.3, High details, DX10

Far Cry 2

v.1.2, Ultra High, DX10

Grand Theft Auto IV

v.1.0.4.0, Max. details

Tom Clancy`s H.A.W.X.

v.1.02, Max. details, DX10

Resident Evil 5

v.1.0, Demo, Max. details, DX10

BattleForge Renegade High details, DX10
Batman: Arkham Asylum v1.1, Max. details, PhysX OFF

 

Način testiranja i overclocking

Način testiranja i testna platforma se nisu mijenjali. Naš Core i7 sistem je dovoljno jak da izvuče maksimum iz svake grafičke kartice. Set testova i benchmarka je identičan kao i u HD5770 članku i tu nismo ništa mijenjali. Za usporedbu sa Gigabyteovom karticom koristili smo gainwardovu GTX275 GS kojoj smo taktove spustili na referentne vrijednosti. Uz to koristili smo i Zotacov GTX280 AMP! (GPU:700MHz, Shaderi:1400MHz, Memorija: 1150MHz) model koji je po performansama vrlo blizak GTX285 (GPU:648MHz, Stream:1476MHz, Memorija: 1242MHz) kartici. Iz prošlogodišnjeg testa tog zotacovog modela vidljivo je kako je znatno brži od referentnog GTX280 (GPU:602MHz, Shaderi:1296MHz, Memorija: 1.107MHz) modela. Gigabyteov GTX275 Super Overclock model upravo i ima za cilj napad na GTX285 model, baš kao što njegov mlađi brat GTX260 Super Overclock napada referentni GTX275 model. Koliko u tome uspijeva vidjeti ćemo iz testova. Sa AMD-ove strane tu je HD4890 kartica koja je kako znamo sporija i od referentne GTX275. Puno bolja usporedba bi bila sa HD5870 karticom jer su njene performanse nešto bolje od GTX285 modela, no do te kartice trenutno nismo mogli doći.

S obzirom da je Gigabyteova kartica već dosta tvornički overclockirana nismo očekivali kako taktovi još mogu ići puno više. i bili smo u pravu. Svi GT200b čipovi otprilike postižu iste taktove na konvencionalnom hlađenju, pa tako i ovaj. Postao je nestabilan već na 730MHz nakon dva sata igre sa ventilatorom u punoj brzini. Na 725/1572MHz se pak pokazao sasvim stabilan i kada nismo ubrzavali ventilator. Memorija se zaustavila na okruglih 1300MHz, tj. efektivnih 2600MHz.



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