Chronicles of Riddick
In 1600x1200 Quad SLI system outperforms both: GeForce 7900 GTX SLI and Radeon X1900 XT CrossFire, but nevertheless, it doesn’t demonstrate any breakthrough performance: all multi-GPU platform guarantee over 100fps performance in this test, so any system can ensure comfortable gaming experience with enabled FSAA 4x and AF 16x.
The same is true for 1920x1200. And in 2560x1600, despite the OpenGL and stencil shadows, Quad SLI and Radeon X1900 XT CrossFire performed almost equally fast. Nvidia platform is less than 10% faster, however none of them can actually provide performance level high enough to ensure comfortable gameplay. The reasons for the low performance of the Quad SLI system are evident: slow memory.
The benefits of the four graphics processors combined into a single configuration are more evident in FSAA 8x mode: Quad SLI appears almost 1.5 times faster than GeForce 7900 GTX SLI in 1600x1200 already and provides quite acceptable performance at 1920x1200. However the next resolution, 2560x1600, remains still unattainable, even though the performance drops less than in the previous case when we had FSAA 4x.
The next FSAA mode – FSAA 16x – is too heavy for Quad SLI, at least if we try to get it to work in 1600x1200. Slow memory prevents the new platform from showing its potential and causes its complete failure in 1920x1200 and 2560x1600. Radeon X1900 XT CrossFire outperforms Quad SLI system by 19% and 28% correspondingly.
As for the unique FSAA 32x mode that is supported only by the GeForce 7900 quad SLI platform, we didn’t see this system work any wonders here. Even in 1280x1024 the average performance reached only 38fps, and in higher resolution it dropped below 25fps. So, SLI AA 32x is of pure theoretical interest in the Chronicles of Riddick – you will hardly spend all that money on the GeForce 7900 quad SLI platform to play in 1280x1024 resolution and with artifacts…