AMD Ryzen 9 3900X, SMT on vs SMT off, vs Intel 9900K @ TechPowerUp
 

By community request, we present our findings on how AMD Ryzen 9 3900X performs with SMT disabled. This approach has potential, especially for gaming, because it ensures more physical hardware units are available for each thread, and could also benefit the processor's power management.

https://www.techpowerup.com/review/a...-intel-9900k//