https://wccftech.com/intel-core-i9-11900k-core-i9-11900-core-i7-11700-rocket-lake-8-core-cpus-spotted/

intel's Rocket Lake Desktop CPUs which include the Core i9-11900K, Core i9-11900 & Core i7-11700 have been spotted at Chiphell Forums (via Harukaze5719). All three chips are part of the 11th Gen family and feature 8 cores with 16 threads. The leaker points out that these three chips are early engineering samples & hence feature much lower clock speeds than the retail variants that will be available around Q1 '21.

Starting with the specifications, well there isn't much difference in terms of core configuration as each CPU packs 8 cores, 16 threads, 16 MB of L3 cache, and 4 MB of L2 cache. The difference here is the clock speeds and TDPs for each respective chip. The Intel Core i9-11900K is going to be the flagship CPU in the 11th Generation family and will rock a base TDP of 125W and a PL2 rating of 250W. The Intel Core i9-11900 and Core i7-11700 are standard non-K SKUs with base 65W TDPs and PL2 ratings of 225W.