Quake 4
In order to make sure we pushed the video cards as hard as possible, we enabled Quake 4's multiprocessor support before testing.

The Radeon X1950 XTX's faster memory doesn't seem to help very much here, since it's barely any faster than the Radeon X1900 XTX. The Radeon X1900 XT 256MB, though, asserts itself by beating out the GeForce 7900 GT across the board.

Notice one other thing about the results, which is how small the spread is between the Radeon X1900 XT 256MB, the Radeon X1900 XTX, and the Radeon X1950 XTX. In Quake 4, all of them run slower than I'd like at 2048x1536, and all of them hit acceptable frame rates at 1600x1200. That's a dynamic to consider as we look through the rest of the results.