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Curiously Cheddar
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2,077 Posts
Download and install a program called RivaTuner.

Bump up the Core, Shader, and Memory clocks to the desired clocks, and test them by playing a GPU intensive video game and looking out for any artifacts (Wrong colours, black patches, missing objects, etc...).

I suggest you don't bump up the numbers too much (20 at a time), and make sure you OC each of the different clocks individually, not all at once... Since it makes it much more difficult to check which of the values have hit their maximum if you do them at once.

As a last note, be sure to crank up the fan speed... Heat is your enemy. You shouldn't let the card go any higher than 80-90C at most.
 

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Hackin 'n Slashin
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28,630 Posts
Well as a test I suggest ATITool's 3Dcube instead. Much faster results and greater stress (plus it can artifact scan...which I think also works for nVidia cards))

Also some manufacturers (ASUS for instance with my card) give you an app which will allow you to monitor you card's temps as well as possibly overclock it a little.
 
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