AMD Fury X "Fiji" Voltage Scaling @ techPowerUp
 

We are testing software-based voltage control on AMD's Radeon Fury X, up to 1.37V, in order to investigate what overclocking gains can be expected. We also measure the real-life performance effect and how voltage changes affect power consumption.

http://www.techpowerup.com/reviews/A...X_Overvoltage/