AMD HD 7950 Boost Clock BIOS Update @ techPowerUp
 

AMD just released a free BIOS upgrade for the Radeon HD 7950, which provides an extra speed boost by updating the company's PowerTune algorithm. We will thoroughly test this update and not only look at performance but also power consumption and heat.

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