The term "gigahertz," or "GHz," refers to the operating speed of a central processing unit; hertz defines the clock rate, or cycles per second, of the CPU. 1 GHz is equivalent to one billion hertz.

The Intel Core i9-14900KF, which was once considered one of the best CPUs, has achieved the status of the fastest processor — through overclocking, of course. Chinese overclocker wytiwx (as reported ...