Arnawa Widagda

In many cases, the graphics card is the most power-hungry component in a PC. The enthusiast community is no stranger to CPU tweaking, so why hasn't GPU modification caught on? We're going to see just how much you stand to gain (or lose) from tweaking.

Most of our graphics card reviews include power measurements at idle and load. But how do applications tax your GPU in between those two extremes? We line up a handful of different programs and monitor power use with a handful of AMD's latest cards.