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Call of Duty 4 v1.6

The Fastest 3D Cards Go Head-To-Head
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Call of Duty 4 runs on DirectX 9 and gets additional performance out of all cards with CrossFire and SLI. Only the Radeon HD 3650 and GeForce 8600 fall below 25 fps at 1920x1200 with anti-aliasing. All other graphics chips and test resolutions are smooth.

Dual chip cards like the Radeon HD 3870 X2 or GeForce 9800 GX2 run the test scene slower than two individual cards in SLI or CrossFire mode. If you focus your point of view on less intricate areas, the frame rates increase in a direct comparison, so where this dual chip card limitation on maximum frame rates comes from is not clear. The Radeon HD 3850 CrossFire occasionally caused the game and the test system with drivers to crash.

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