With the exception of an automatic 1 bin (13MHz) step down in high temperatures to compensate for increased power consumption, whether GPU Boost could boost and by how much depended on how much power headroom was available. With the first iteration of GPU Boost, GPU Boost was based almost entirely around power considerations. Boost, like turbo and other implementations, is essentially a form of performance min-maxing, allowing GPUs to offer higher clockspeeds for lighter workloads while still staying within their absolute TDP limits. Present on the desktop GTX 660 and above, boost allows NVIDIA’s GPUs to turbo up to frequencies above their base clock so long as there is sufficient power headroom to operate at those higher clockspeeds and the voltages they require. With the Kepler family NVIDIA introduced their GPU Boost functionality. GPU Boost 2.0: Temperature Based Boosting
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