Intel Core i9-11900K benchmarked, gaming CPU for 2021 hype train

Intel's next-gen Rocket Lake-S flagship Core i9-11900K tested, should feature 8 cores, 16 threads up to 5.30GHz boost CPU clocks.

Published Mon, Dec 14 2020 7:47 PM CST   |   Updated Tue, Jan 12 2021 2:30 AM CST

Intel will be launching its next-gen 11th Generation Core processors in March 2021, with the flagship Core i9-11900K getting some more 'concrete' specs before its reveal in 2021.


But the big takeaway here is that Intel is reportedly shipping the Core i9-11900K as an 8-core, 16-thread part @ up to 5.30GHz -- this is down from the 10-core, 20-thread CPU that is the current-gen flagship Core i9-10900K processor. There's also the Core i7-11700K which is virtually identical with 8C/16T, but lower boost clocks.

Intel might keep its Thermal Velocity Boost exclusive to the flagship Core i9 processors, which could explain why the leaked details on the Core i9-11900K have the 8C/16T chip having a single-core boost of up to 5.3GHz and all-core boost at up to 4.8GHz. This is versus the Core i7-11700K (the same 8C/16T) at single-core boost of up to 5.0GHz and all-core boost of up to 4.6GHz.

Other CPUs in the Rocket Lake-S family will reportedly include the Intel Core i5-11600K processor (6C/12T) with single-core boost of up to 4.9GHz and all-core up to 4.7GHz -- meanwhile, the Core i5-11400 processor (6C/12T) has single-core boosts of up to 4.4GHz and all-core at up to 4.2GHz.

Intel Core i9-10900K Ten Core Desktop Processor (CM8070104282844)

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Anthony joined the TweakTown team in 2010 and has since reviewed 100s of graphics cards. Anthony is a long time PC enthusiast with a passion of hate for games built around consoles. FPS gaming since the pre-Quake days, where you were insulted if you used a mouse to aim, he has been addicted to gaming and hardware ever since. Working in IT retail for 10 years gave him great experience with custom-built PCs. His addiction to GPU tech is unwavering.