X-bit labs

ATI RADEON X800: R420 Totally Exposed (page 32)

Category: Video

by Tim Tscheblockov , Alexey Stepin , Anton Shilov

[ 05/04/2004 | 06:42 AM ]

Synthetic Benchmarks: TnL

T&L tests from the 3DMark2001 SE package can be also considered vertex shader tests, because all contemporary graphics chips use programmable vertex processors to emulate T&L functions, translating the T&L commands into shaders.

New ATI graphics processors outperform NVIDIA GeForce 6800 Ultra here. Not to mention the previous generation GPUs: they simply get lost against the background of the powerful newcomer.

As the number of light sources increases, ATI graphics processors retain their leadership. It is remarkable that the results of the RADEON X800 XT, RADEON X800 PRO and GeForce 6800 Ultra in 640x480 resolution correlate with up to 0.01 precision with the working frequencies and the number of vertex units by these processors.

And here is one more proof of R420 higher geometrical performance and fillrate: RADEON X800 XT is twice as fast as RADEON 9800 XT. Unfortunately, we couldn’t compare the results with those of the primary competitor, GeForce 6800 Ultra, because of the issue with ForceWare 60.72 driver, which we have already mentioned earlier. We simply couldn’t get an adequate result for this card.