22 PCWorld FEBRUARY 2021
NEWS
Intel takes on Ryzen with Rocket
Lake S and the Core i9-11900K
Intel’s Core i9-11900K is faster than AMD’s Ryzen 5900X, Intel says. But Intel still has a lot to
talk about with its new Rocket Lake S desktop Core chips. BY MARK HACHMAN
I
ntel debuted its next-generation
11th-gen “Rocket Lake S” desktop Core
chips at CES 2021, boasting that its
flagship Core i9-11900K processor offers
a 19 percent performance improvement over
the prior generation, and with gaming
performance that rivals AMD’s most powerful
Ryzen chip.
Intel’s Core i9-11900K does take a step
back: Intel’s 10th-gen Core i9-10900K (go.
pcworld.com/i19k) offered 10 cores and 20
threads. The new i9-11900K wields just 8
cores and 16 threads instead, at turbo speeds
up to 5.3 GHz (single core) and a slower
4.8GHz (all cores) than the i9-10900K
offered. It’s also a 14-nanometer chip. But
IMAGE: INTEL