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Dual Nvidia GTS 250's or Single Nvidia 285
Which one option will provide me with better overall gaming? With the dual option i will need sli, with sli does dual 250's beet one 285? Any feedback would be appreciated, thanks.
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The best resource for such comparisons I know of is the Toms VGA Charts. If we look at the Call of Duty results:
http://www.tomshardware.com/charts/gaming-graphics-charts-q3-2008/Call-of-Duty-4-v1.6,746.html
we see that two Geforce 9800 GTX's in SLI do beat a single GTX 285 (120 FPS vs 103 FPS). Since GTX 250 is the same as a Geforce 9800+ GTX (the same video card with a different name) it is pretty safe to assume that GTX 250 in SLI will beat a single GTX 285 by more or less the same margin.
If we look at the price of the Geforce 9800+ GTX, two of those cards would also be cheaper than a single GTX 285. However, this is true only in the case when we do not factor in the more expensive motherboard, which has to have SLI support and thus is more expensive than a motherboard which does not have SLI; and when we do not factor in the need for a more powerful PSU for the two cards.
The case when two not so powerful cards in SLI are actually both faster and cheaper than one more powerful video card is actually very rare. Usually SLI is only good for achieving the best performance money can buy by using two highend video cards.
http://www.tomshardware.com/charts/gaming-graphics-charts-q3-2008/Call-of-Duty-4-v1.6,746.html
we see that two Geforce 9800 GTX's in SLI do beat a single GTX 285 (120 FPS vs 103 FPS). Since GTX 250 is the same as a Geforce 9800+ GTX (the same video card with a different name) it is pretty safe to assume that GTX 250 in SLI will beat a single GTX 285 by more or less the same margin.
If we look at the price of the Geforce 9800+ GTX, two of those cards would also be cheaper than a single GTX 285. However, this is true only in the case when we do not factor in the more expensive motherboard, which has to have SLI support and thus is more expensive than a motherboard which does not have SLI; and when we do not factor in the need for a more powerful PSU for the two cards.
The case when two not so powerful cards in SLI are actually both faster and cheaper than one more powerful video card is actually very rare. Usually SLI is only good for achieving the best performance money can buy by using two highend video cards.
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