The video card should come with EVGA's overclocking software PrecisionX which is pretty good, or you can download MSI Afterburner. What your maximum clock will be is determined by the ASIC quality of the chip you get which you can check with GPU-Z
The video card should come with EVGA's overclocking software PrecisionX which is pretty good, or you can download MSI Afterburner. What your maximum clock will be is determined by the ASIC quality of the chip you get which you can check with GPU-Z