Unreal Tournament 2004 is starting off in much the same way as Unreal Tournament 2003, both cards perform identical at lower resolutions, which could mean the bottleneck is our Pentium 4 processor here, not able to keep up with the graphics cards. But then we see something strange occur, when the resolution increases so does the performance of the GeForce 6800 Ultra, that's strange, as moving to a higher resolution means more work for both the processor and the graphics card and should always result in a lower score. When we enabled anti-aliasing and anisotropic filtering we see that both cards take a performance hit, at all resolutions. But we also see that, at a 1280x1024 resolution, the Radeon X800 XT suddenly leaps ahead but then quickly loses ground at a 1600x1200 resolution where the GeForce 6800 Ultra leads. We have yet to find a cause for these numbers but we've contacted the game developer in an attempt to figure out what could be the cause here, until then we'll reserve judgment on these numbers.