The GTS 640 will outperform a GTX in an SLI vs single card configuration. Anyone know if 2 GTSs will outperform a single Ultra?
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Well, the ultra is only marginally faster than a GTX so if the GTS's beat the GTX by a healthy margin, chances are they will beat an Ultra aswell. The only thing with SLI is that there are certain games that do not benefit and a single card will still beat an SLI setup there.