This has been the case since the Zen 1 microcode update. Initial reviews, and builds shortly after release (~3? months) were affected. Once they pushed out the update the ram required (and speed basis for it) isnt nearly as picky.So after reading this I don't think I am going to replace my ram it seems the performance loss is really not much at all what do you'll think
We take a close look at memory scaling on AMD's new Zen 2 Ryzen 3900X, testing both application and gaming performance at seven different memory speed and timing combinations ranging from 2400 MHz all the way up to 4000 MHz.www.techpowerup.com
Save money, put it elsewhere for more FPS.