Call of Duty 4: Modern Warfare
We tested Call of Duty 4 by recording a custom demo of a multiplayer gaming session and playing it back using the game's timedemo capability. Since these are high-end graphics configs we're testing, we enabled 4X antialiasing and 16X anisotropic filtering and turned up the game's texture and image quality settings to their limits.
We've chosen to test at 1680x1050, 1920x1200, and 2560x1600resolutions of roughly two, three, and four megapixelsto see how performance scales.
Aaaaaand.... wow. The Radeon HD 4850 beats out both its like-priced competitor, the GeForce 9800 GTX, and the slightly more expensive XXX Edition, which is also serving as our proxy for the 9800 GTX+. Doubling up on cards only accentuates the gap between the 4850 and 9800 GTX XXX. Meanwhile, the Radeon HD 4870 just edges out the GeForce GTX 260 at 2560x1600 resolution. At 1920x1200, the 4870 actually manages to outrun both the GTX 260 and 280, but the big GeForce chips come into their own at four-megapixel-plus display resolutions. Trouble is, two 4850s in CrossFire pretty much obliterate a single GeForce GTX 280, regardlessand they cost considerably less.
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