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In the third test significant workload is put onto vertex processors: they are responsible for calculation of the benchmark’s main character’s behavior. Here GeForce 7800 GTX shows its best, as it features 7 vertex units onboard, while RADEON X850XT Platinum Edition only has 6. Moreover, these units work not at the GPU frequency, as by GeForce 6800 Ultra, but at 40MHz higher, i.e. 440MHz. In general, the newcomer is about 10% faster than the competitor from ATI Technologies.

The Game 4 benchmark is a true test for GeForce 7800 GT. The test uses pixel shaders 2.0 and vertex shaders 2.0, as well as “overbright” effect, which creates realistic sunshine. In pure mode GeForce 7800 GT fails to outperform RADEON X850 XT Platinum Edition. Moreover, it even falls behind the rival in high resolutions, although the lag is only 3%-5%. At the same time, when FSAA and anisotropic filtering are enabled, the new graphics solution from NVIDIA runs as fast the one from ATI.

So, we can state that GeForce 7800 GT deserved its 3DMark03 victory, even though this test package uses 1024x768 resolution by default. According to the results of our detailed testing, GeForce 7800 GT doesn’t yield to its major competitor in most test modes and resolutions, and if it does fall behind the ATI card, the performance difference is really small.

 
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