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SLI problems (Weird GPU usage)

Last response: in Graphics & Displays
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January 26, 2013 1:24:40 AM

I'm sure this has been asked to death, and I apologize if it has. I actually looked all over, and can't find the answer. Maybe I'm just a bit too flustered.

But anywho, my GPU usage is showing one of my cards always stuck at 50% whereas the other one is 99%. I just got my 2nd GTX 680 today, and I for the life of me can't figure this one out. I've tried it on various games, and the result is always the same. I assume this is not right, and something isn't working.

Then again, maybe SLI is just that finicky? The games I've tested it on so far are Battlefield 3, Arkham City, Devil May Cry (the newest one). So perhaps these games just don't support it. Either way, kind of frustrated. Nvidia Control panel says SLI is enabled.

I also haven't noticed any improvement in performance from when I had my single GTX 680.

I'm at 2560x1440p resolution btw.
January 26, 2013 1:42:38 AM

It would help to know what your specs are.
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January 26, 2013 2:30:48 AM

could be your power supply... ? how much WATTS is it ?
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