On average the Ryzen 9 3900X was just 1% slower overall with SMT enabled, its standard out of the box configuration when you get all the 24 threads with simultaneous multithreading enabled.

The 1.05 patch was supposed to fix the SMT issue with Ryzen processors, but users on Reddit claim they are still seeing performance gains by re-applying the HEX edit, after applying the patch.

A patch has been released by a Redditor that improves performance on AMD Ryzen CPUs in the extremely popular Cyberpunk 2077 title. The hotfix enables SMT on Ryzen for better CPU utilization.

This instantly reduces performance. QUIP affects all other Ryzen, Athlon, Threadripper, and EPYC processors with SMT. Excluding Ryzen 1, 2 and 3 Meanwhile, the Apple M1 is susceptible to SQUIP.

CapFrameX also tested to see if performance also improved after turning off SMT (Simultaneous MultiThreading) and sure enough, it did. But, and it's an important point here, the single CCD version ...

One new addition could be a Ryzen 5 3500 model, and if the leaked specs are true, it will not have simultaneous multi-threading (SMT). SMT is AMD's version of hyper-threading (HT), or vice versa.

Phoronix tested AMD's Ryzen AI 9 HX 370 in Linux with its four Zen 5 cores and eight Zen 5c cores, all featuring simultaneous multithreading (SMT) capabilities. The Linux-focused outlet tested the ...

The Ryzen 5 3500 is running 3.6 GHz for a base clock with a 4.1 Ghz Turbo, it, however, lacks Hyperthreading (SMT) and thus is a six-thread processor.