OC Genie: Too Good to be True?

I do not quite think it is bunk. It would depend on how they did it. For example, you could press the button and the system could gradually increase the i5/i7 equivalent of FSB while monitoring CPU temps until the CPU temps reached a preset level, then save those settings. And if the system crashed, go back to the last settings that worked.

Or it could just be a fancier version of the "turbo" mode.

However they do it, it won't put us out of a job.
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Overclocking since 1978 - Z80 (TRS-80) from 1.77 MHz to 2.01 MHz