Overclocked Intel Core i9-11900K @5.2 GHz on all cores can beat the AMD Ryzen 7 5800X in single-thread and multithread benchmarks but at a massive power cost - NotebookCheck.net News
Intel Core i9-10900K pushed to a crazy 7.7 GHz on all cores on liquid helium, DDR4 memory overclocked to 6.6 GHz on Z490 - NotebookCheck.net News
Intel Core i9-10900 Desktop Processor 10 Cores up to 5.2 GHz LGA 1200 (Intel 400 Series Chipset) 65W
Intel Core i9-11900 Engineering Sample Tested in CPU-Z - ThinkComputers.org
Intel's Comet Lake S series is a legitimate performance upgrade
5 Minute Overclock: Core i9-10900K to 6000 MHz - YouTube