User configurable hardware settings for overclocking is described. In accordance with the described techniques, user input to adjust hardware settings for operating a processing unit in an overclocking mode is received. The user input, for example, adjusts at least one of a voltage droop threshold or a frequency adjustment of the clock rate. A voltage droop is detected while operating the processing unit in the overclocking mode. Responsive to detecting the voltage droop, a clock rate of the processing unit is adjusted based at least in part on the adjusted hardware settings.