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ATI's Radeon X800 256MB and Radeon X850 PRO Preview
[Abstract]
ThoughtsPricing is the frustrating facet to factor in to a conclusion about these two new Radeons. MSRP is all well and good when using it to pair up hardware in a shootout, but if you can't f...
[Content] PCDigitalMobileGame
ShaderMark 2.1 and RTHDRIBLShaderMark 2.1 
ShaderMark 2.1 ranks X800 and 6600 GT almost equal in most tests, with the odd few swinging either way. With X850 PRO and 6800 GT, it's more clear cut with the NVIDIA board having the edge in SM2.1's tests, especially those that involve FP blending or filtering.
RTHDRIBL A classic test that shows off the effect of hand-written shaders on an architecture whos performance is somewhat compiler-driven.
NVIDIA's shader compiler has a really hard time, not living up to theoretical potential.
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ATI's Development RADEON X850 Graphics Cards to Acquire 512MB of GDDR3 (2005-02-24)