VR-Zone Hardware has posted an article about performance in Valve's new Source Engine, using Counter-Strike: Source.

The R420 based cards that we saw were able to give the best performance at high resolutions with Anti-Aliasing and Anisotropic Filtering enabled, and therefore I do have confidence in saying that the ATI Radeon X800 XT Platinum Edition will be the fastest graphics card for games based on the Source Engine, particularly Half Life 2 and Counter-Strike: Source.

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