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Finally, we tested the overclocking potential of this card using ATI Tool, letting it find the maximum non-activated speeds for core and memory. We could only reach 480/515 –not that much of an increase. Indeed testing Half-Life 2 again with 4x FSAA and 8x AF, it only added around 1.5fps to the scores; hardly earth shattering.
Overall though, based on the numbers we’ve obtained the Radeon X800 GT is very much the better choice compared to the 6600GT in terms of performance. The only question is though, is it too late? If you want to wait a couple of months prices of even faster cards are likely to drop again as ATI brings out its next gen chip. In its favour the 6600GT card offers support for Shader Model 3 and HDR. But these, especially the latter, will really require much faster cards to do them justice.
If you’re in the market for a card right now, the X800 GT wins the overall battle against the 6600 GT. The only problem for ATI is that this is a fight it ought to have picked a good few months ago.
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