Well depending on the rest of your systems specs, you should max out the settings with shed loads of fps to spare. And the added fps you get from the o/c will be un-noticeable. But hey, its your card. As said google coolbits. It comes as a .reg so run it, let it add it to the registry then on the desktop, right click > nvidia display > select whatever it says (should be your monitor). Then look for Clock Frequency Settings