Quote Originally Posted by Lanek View Post
AMD dont throttle anything down with Powertune, even on 6990 .... Powertune and the turbo boost are absolutely not the same and not aimed at the same thing .... In one case it is here for limit the TDP if needed, the other one is here for overclocking the card when it think it is possible or needed.
PowerTune absolutely can throttle some results. Its entire point is to downlock the ASIC if TDP is surpassed. You are right though: PowerTune is the exact opposite of Turbo Boost. Turbo is meant to INCREASE performance while PowerTune is meant to DECREASE it if necessary.