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We see the similar situation in Game 3 test, which only difference from the second one is higher vertex processor workload.

The only test in 3DMark03 suite where ATI RADEON X850 CrossFire manages to defeat GeForce 6800 Ultra SLI is Game 4 test. Our hero is an indisputable winner in pure mode and at least as fast as the rival in eye candy mode with enabled full-screen antialiasing. It is solely due to the peculiarities of ATI RADEON X850/X800 architecture, which is very efficient with relatively simple pixel shaders.

All in all, the results obtained in 3DMark03 are quite logical: the parity with GeForce 6800 Ultra SLI in Game1 and the impressive victory in Game 4 make up for the defeat in Game 2 and 3. Unfortunately for ATI, the NVIDIA GeForce 7800 GT SLI selling at about the same price point will be faster than RADEON X850 CrossFire.

As for the technology efficiency compared with the single-graphics card platforms, both multi-GPU technologies showed their best in 3DMark03, with just a slight advantage in NVIDIA’s favor. NVIDIA SLI is more software dependent, however it works to its utmost advantage if appropriate software optimizations take place, as its performance improves to the maximum in this case.

 
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