You are taking the clock speed and turning it up over the manufacturer’s recommendation to get more performance. Clock speed is not the only factor so it is not like you can overclock a calculator to perform as well as a gaming PC, but can make the calculator faster relative to its original state. How do you do it? If you want to overclock, it often requires other aspects of your device to be run outside of specifications. The device will become unstable as you turn up the speed you can compensate by turning up the voltage, but that can cause additional power consumption and more heat output. Also, read How to overclock your graphics card easily and safely? Seasoned overclockers will have experience with anything from large heat sinks with fans for cooling to liquid cooling or even more exotic sub-zero cooling if they are trying to get maximum performance. More voltage also increases the risk of failure. So, for this reason, many manufacturers will refuse outright to provide warranty service on overclocked electronics. Still, want to do it you are not alone lots of people are willing to make these trade-offs that I just mentioned for more performance. There are comprehensive guides that exist for overclocking pretty much any device that would benefit from it. Many Android phones can be overclocked with a simple app download, and PC overclocking is a very popular pastime with gamers, video editors or anyone else who needs more performance from his or her computer.
