Only 3 games tested, but they do test sli as well. Benefits of the 1gb amount to about 1 fps here and there. Overclocking might make that, 2 fps! or something. If you planned a monster overclock the extra memory might come in more handy, but i guess still not that much. Interesting that the extra 512mb video ram gave crysis a small boost even at just 1280x1024. Either crysis or DX10 must be an utter memory hog.
In the majority of our performance tests, the 1GB GeForce 8800 GT card delivered performance that was roughly on par with the GeForce 8800 GT 512MB, there were only a couple of cases where the extra memory really impacted performance, most notably Oblivion and Crysis at 2560x1600, in both of these situations the GeForce 8800 GT 1GB was able to outperform the 8800 GT 512MB by a significant margin (over 2.5 times the performance in Oblivion and even larger in Crysis).
The bottom line is that the stock GeForce 8800 GT 512MB is simply an outstanding performer, adding another 512MB of memory just doesn’t yield the performance boost some were expecting.
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Reply to Maziar
Seems like unless you are playing at 2560x1600 you might as well buy a better card with 512mb. At this point, 1gb seems like overkill (next generation of cards might be a different story) IMO.
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