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Test: ATI HD 4770 (1, 2, 3 cards) in CrossFireX mode Print E-mail
Written by Dimitar Dinchev a.k.a. Veseliq   
Sunday, 04 October 2009

Ah, here we are with yet another (dare we hope) interesting article from a line of tests measuring performance scaling of one of the most successful cards in the low-mid gaming segment this year - AMD HD 4770 512MB GDDR5. Today were going to measure a two cards against three in CrossFireX mode. But that's not all we're even going to use in our tests two of the most popular gaming processors - Intel Core i7 920 and AMD Phenom II 955 Black Edition.

The actual process of writing this article was delayed by around two month from the initially planned release date (add an additional week due to modding obsessed translator ;)). For some of you it might appear to be late, especially considering the release of new graphic accelerators and the new competitor to AMD Phenom II 955 BE from Intel - a member of the Core i5 family. But sill, the Core i5 does not yet have the popularity the Phenom II 955 Black Edition and Core i7 920 in question have, and the new DirectX 11 cards from AMD - HD 5850 and HD 5870 are in no way interfering with AMD HD 4770 sales, so this article as we see it is still of value.

For the qualities of AMD HD 4770 we have nothing new to say, they are well documented. The card had be thoroughly reviewed in more than one ModReactor article. Its price/performance ratio is the main reason it is chosen by many gamers and being very well CrossFireX capable (the number of card being limited only by the available motherboard slots) is just another thing enthusiasts like about it. An now without further ado - on to the system specifications and tests.

Common components in all systems:

  • Sapphire HD 4770 512MB GDDR5 vs 2x HD 4770 512MB GDDR5 CrossFireX vs 3x HD 4770 512MB GDDR5 CrossFireX
  • Hard drive 1: Western Digital Raptor 10 000RPM 36GB
  • Hard drive 2: Seagate Barracuda 7200.9 300GB
  • PSU: Raptoxx RT-EBAD1200 1200W
  • Cooling: Noctua NH-C12P

Intel Core i7 system:

  • Motherboard: MSI X58 Pro
  • Processor: Intel Core i7 920 @ 2.66GHz (133x20)
  • Memory: Nanya 3x2GB 1600MHz 9-9-9-24

AMD AM3 system:

  • Motherboard: ASUS M4A79T Deluxe
  • Processor: AMD Phenom II 955 BE AM3 @ 3.2GHz (200x16)
  • Memory: Corsair XMS Series 2x2GB 1600MHz 8-8-8-24

All of the tests were run under Windows Vista Ultimate x64. Driver for AMD HD 4770 cards was the most recent at time of testing - ATI Catalyst 9.7 WHQL. Drivers for motherboards were respectively the most recent ones supplied from the website of the respectful manufacturer. Here is the list of tests:

  • 3DMark Vantage Performance & Extreme modes (DirectX 10.1)
  • Far Cry 2 (DirectX 10.1)
  • Crysis: Warhead (DirectX 10.1)
  • S.T.A.L.K.E.R.: Clear Sky (DirectX 10.1)
  • World in Conflict: Soviet Assault (DirectX 10.1)
  • GTA IV (DirectX 10)

Now on to the tests!

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