Rocket Lake Intel Core i9-11900K slips past AMD Ryzen 9 5950X in single-thread benchmark by 2.7-5.7% - just don't mention multithread performance, power, or delays - NotebookCheck.net News
Intel Core i9-9900K CPU Review: 8-Core 9th Gen Coffee Lake Benchmarks | HotHardware
i9-9900k scoring really low (almost 400 off of averages I've found online) single thread benchmarks : r/pcmasterrace
The Intel Core i9-9900KS Review: The 5 GHz Consumer Special
Intel Core i9-10900K surpasses 3,000 in Cinebench R15 running at 5.4 GHz; within touching distance of the AMD Ryzen 9 3900X and well ahead of the Core i9-9900K - NotebookCheck.net News
Intel Coffee Lake 6-core CPU-Z screenshot leaks out - VideoCardz.com
Intel Core i9-9900K CPU Review - 9th Gen 8-Core, 16-Thread Benchmarks - Page 6 of 10 - Legit Reviews