Shader Model 2.0 - Game 1 - Return to Proxycon
In the first SM2.0 test we have the same picture in both “pure speed” and “eye candy” modes: the GeForce 7800 GTX 512 and the Radeon X1900 XTX have the same performance in low resolutions and the latter is superior in higher ones, thanks to the improved HyperZ and sampling of single-component textures. The new graphics card offers a tremendous performance gain over the Radeon X1800 XT – more than 50% in 1600x1200 resolution! – largely due to the Fetch4 feature the new series supports.
Shader Model 2.0 - Game 2 - Firefly Forest
The second SM2.0 test is not so hard-pressing on the graphics memory subsystem because it uses a smaller-scale scene, so the advantage of the Radeon X1900 XTX over the GeForce 7800 GTX 512 is felt earlier and is outlined sharper. The new Radeon is again 50% faster than the Radeon X1800 XT as this test is no less shader-heavy than the previous one.
Shader Model 3.0/HDR - Game 1 - Canyon Flight
It’s in the first SM3.0 graphics test that the complexity and number of pixel shaders are at the highest and there’s also HDR involved, so the GeForce 7800 GTX 512 can’t help falling far behind the new Radeon X1900 XTX which has 48 highly efficient pixel shader processors, even if the latter has to spend some computational resources to filter the FP16 textures in the shader.
Shader Model 3.0/HDR - Game 2 - Deep Freeze
The second SM 3.0/HDR graphics test is simpler than the first one and is almost free from the pixel shaders that are such a burden for the GeForce 7800 GTX 512. This test is about dynamic shadows and HDR instead, and that’s why the Radeon X1900 XTX cannot break away from its main opponent farther than by 5-10%. And like in the previous cases, the new Radeon is about 50% faster than the Radeon X1800 XT.