AMD PowerTune technology (with Boost) AMD PowerTune technology (with Boost) is a breakthrough technology that sets an entirely new direction for maximum performance at TDP. It allows the Radeon HD 7950 GPU to be designed with higher engine clock speeds of up to 925MHz (850MHz on standard settings), which can be applied on the broad set of applications that have thermal headroom. In HD 7900 series, AMD PowerTune technology enables intelligent power monitoring to enable higher clock speeds and better performance in your favorite games.