PowerTune (AMD) - AMD's proprietary PowerTune technology has existed since December 2011, bringing dynamic frequency scaling to AMD graphics processors. "Dynamic frequency scaling" is the act of modifying the core clock speed (frequency) on-the-fly and can be thought of as similar in concept to TurboBoost or nVidia Boost. PowerTune scales the frequency based upon performance demands, thermals, and watt draw (using P-states).
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