TPU reports Intel's quad-core "Devil's Canyon" processors have hit the retail channel. These chips are based on the 22nm Haswel Refresh core, they're specifically selected for overclocking potential and feature better packaging material, improved thermal interface material, higher voltage limits, and beefed up VRM.
The series includes the Core i5-4690K, and the Core i7-4790K. The i5-4690K is clocked at 3.50 GHz, with Turbo Boost frequencies of 3.90 GHz, and features 6 MB of L3 cache. The i7-4790K, on the other hand, is the first Intel Core processor to ship with out of the box clock speed of 4.00 GHz, and Turbo Boost speeds of 4.40 GHz. It features 8 MB of L3 cache, and HyperThreading, which enables eight logical CPUs for the OS to deal with. The i5-4690K is priced at US $250, and the i7-4790K at $350.