The RADEON 9000 Pro and the Xabre 600 are the only two fully DirectX 8.1-compliant cards, so both cards are able to run all four game sequences.  Since the GeForce4 MX doesn't support hardware programmable pixel shading, it isn't able to run the Nature test and the card's score suffers as a result.  If it weren't for the Xabre's sub-standard default 3D image quality, it would have actually taken the victory here, however, using the "Quality" texture setting clearly impacts performance resulting in an overall loss.

Comanche 4 DirectX 8, Again

Comanche 4 is heavily dependant on processor performance at low resolutions and less so at high resolutions.  At 1024x768, the GeForce4 MX 440 beats the Xabre by about 20%, whereas it beats the Xabre by 25% at 1280x1024.  It could be hypothesized that at 1024x768 the graphics processor is detracting from the processor's performance.  The move to 1280x1024 shows that card is the bottleneck, though.