Will 750 watts be enough to power 2 gtx 680's?

Turboman750

Honorable
Feb 2, 2013
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The reason I'm asking this is I plan to purchase a new gtx 770 upon release and SLI it in the future (gtx 770=updated gtx 680), BUT I dont wan't to have to upgrade any other components to do so. I'm currently running a corsair tx750 and It powered 2 gtx 660ti's very well, but I'm unsure of the power draw of the 680 vs the 660ti
 

Turboman750

Honorable
Feb 2, 2013
179
0
10,690


I sold one of my sli cards to a friend and I upgraded my monitor to a 2560x1440. I feel like the 2 gtx 660 ti's wont be enough to run the next gen graphics engines on high resolutions at their max settings. I'm able to sell my cards for almost the same price as I had purchased them, so I figured I would go with a more powerful route.

I also heard that the rebranded cards would consume less power than the predecessors, but there's no way of really knowing until they're released.