In order to explore the turbo boost function of the core i5 750, I used Prime95 64bit to experiment with using different numbers of workers and its effect on the CPU multiplier. The i5 is at its stock base clock rate of 133MHz and turbo boost varies the CPU multiplier from 9x to 24x depending on the loading of the CPU. I should have turned off cores that were not being used to fore the threads to stay on one core. It seems that Prime95 worker's threads jump from core to core when only 1, 2, and 3 workers were being used. Due to this, the multiplier jumped around as well so in the graph below, the maximum hit multiplier is shown as well as the maximum temperature after running Prime for ~30 minutes.
Turbo boost allows for the processor to vary its CPU multiplier from 9x to 24x depending on the number of threads which leads to a clock rate range from 1199.2MHz to 3197.7MHz! I wonder why inlet advertises the clock rate at 2.66GHz when at fully loaded it runs at 2.8GHz and can hit 3.2GHz by overclocking itself?
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