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10 fps on top of 40fps is a sizeable performance boost.

Now if you're playing games like Portal 1 or Halo 1 then ocing won't be worth it. But playing newer games, it will help.
 
Is it possible to use afterburner overclocking, and then assign it to a gaming mouse button? Lets say like a logitech g500 im gonna get once my imac arrived?

It surely fun to toggle turbo GPU mode with a single click when gaming on Win7 bootcamp
 
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