- Abbreviation of central-processing unit speed. A measure of the relative processing power of a computer. A 4 GHz computer, for example, processes data twice as fast as a 2 GHz computer. Other factors, such as cache also influence the overall speed of a computer. Usually expressed in multiples of hertz, such as megahertz or gigahertz. Also called chip speed.
- synonymcentral-processing unit speed
- synonymchip speed