Intel set about making memory chips, and within three years had invented the very first microprocessor. Today it is a multi-billion dollar company.

Intel's first consumer processor to be sold with a clock speed of 4 GHz or higher was the Core i7-4790K, launched in 2014 as part of the Haswell Refresh, also known as the "Devil's Canyon" series.

When considering what the best processor is for your PC, Intel offers stiff competition in productivity and gaming, despite facing down AMD's Ryzen 7000 and Ryzen 9000 CPUs. Intel's parts just ...