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Synthetic Benchmarks

Futuremark 3DMark05 build 120

You can’t see any advantages of a GeForce 7900 quad SLI system if you test it in 3DMark05 at the default settings because the benchmark defaults to 1024x768 resolution without full-screen antialiasing. This explains the defeat of the 4-processor complex from Nvidia.

Game 1

Although we turned on full-screen antialiasing for separate tests, we can’t see that the GeForce 7900 quad SLI has any advantage over the ordinary dual-GPU systems at 4x FSAA. On the contrary, the new solution from Nvidia is slower!

A considerable performance gain can only be observed when we use the next level of FSAA: the GeForce 7900 quad SLI is about 38-40% ahead of the Radeon X1900 XT CrossFire and GeForce 7900 GTX SLI here.

Game 2

The quad SLI platform is far behind its dual-chip opponents in the second test, probably due to the specifics of the scene which doesn’t require a high fill rate. Instead, such parameters as pixel shader performance and efficient rendering of shadows and lighting are important here. Considering that the graphics processors of the quad SLI system work at only 500MHz, its defeat here seems logical.

It’s quite different in the 8x FSAA mode: the GeForce 7900 Quad SLI is again much faster than its opponents at this level of antialiasing.

 
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