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XFX 5870 + 5850 CrossFire Review

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All of the test results here are with the CPU running at 3.7 GHz and both the XFX HD 5870 and 5850 running at 1000 MHz core speed, 1,200 MHz memory speed. These tests - Crysis Warhead, Resident Evil 5, 3DMark06, and 3DMark Vantage were to show some of the possibilities of these cards since the normal method of testing cards overclocked left a huge CPU bottleneck. Each test was ran at 1280x1024 and again at 2560x1600 to show the overall performance increase.

Crysis Warhead


  • Anti-Aliasing: x2
  • Game Settings: Enthusiast
  • Ambush
  • DirectX 10











Resident Evil 5


  • Anti-Aliasing: 4x
  • PhysX: Off
  • Ambient Occlusion: Off
  • Quality: High
  • Resolution: 1280x1024 - 2560x1600









  • SM2.0 Graphics Tests: GT1- Return to Proxycon, GT2- Firefly Forest
  • CPU Tests: CPU1- Red Valley, CPU2- Red Valley
  • HDR/SM3.0 Graphics Tests: HDR1- Canyon Flight, HDR2- Deep Freeze







3DMark Vantage


  • Settings (each preset): Default
  • Entry: 1024x768
  • Performance: 1280x1024
  • High: 1680x1050
  • Extreme: 1920x1200







Finally overclocked - with both cards at a matching 1,000 MHz core and 1,200 MHz memory speeds along with the CPU lightly boosted to 3.7 GHz - the pair builds on their past success with Crysis and push for more: at 1280x1024 they gain an additional 8 FPS. Resident Evil 5 shows a similar trend gaining 28 and 20 FPS, respectively, and still leading the pack. 3DMark06 gains nearly 4,000 points at default resolution, and a little over 500 with the resolution maximized. Nothing came close at the default resolution with these cards overclocked. 3DMark Vantage gains almost 2,500 points in Entry - beating out the 5870 and coming closer to the GTX 295. Extreme results are themselves extreme! Nothing comes close, the best Nvidia card the GTX 295 as the pair performed over 60% faster in the Extreme test.

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