The Core i9-13900K and i5-13600K processors are part of the new Raptor Lake CPU line-up boosting up to 5.8 GHz.
Intel Core i9-13900K, i7-13700K, and i5-13600K Raptor Lake Review
Intel i9-13900K and i5-13600K Review: Say Hello to Raptor Lake - Overclockers
Intel Core i9-13900K & Core i5-13600K Review: Raptor Lake Roars - Page 6
Intel Core i9-13900K & Core i5-13600K Review: Raptor Lake Roars - Page 3
Titanic Intel Core i9-13900K vs AMD Ryzen 9 7950X clash incoming as Raptor Lake takes command of PassMark's single-thread performance chart - News
Intel Core i9-13900K and i5-13600K Review: Raptor Lake Brings More Bite
Intel Core i9-13900K Raptor Lake CPU Overclocked Up To 6.2 GHz, Over 65% Faster Than 12900K & 5950X
Intel i9-13900K and i5-13600K Review: Say Hello to Raptor Lake - Overclockers
Closing Thoughts - Intel Core i9-13900K and i5-13600K Review: Raptor Lake Brings More Bite, i9 13900k
Intel Core i9-13900K & Core i5-13600K Review: Raptor Lake Roars
The Intel Core i9-13900KS Review: Taking Intel's Raptor Lake to 6 GHz