And even though it's a generation behind the Haswell chips, the Core i7-3770K is still a popular choice with its Turbo Boost clock speed of 3.9GHz. The processor, which sells for $342, also comes ...

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.

The original microarchitecture of the Core i series was code-named Nehalem. Subsequent microarchitectures were Sandy Bridge, Ivy Bridge, Haswell, etc. (see Intel microarchitectures). Prior to the ...