IgorsLAB published The big Ryzen 7000 Memory and OC Tuning Guide
A quote from the article:
AMDs new Ryzen 7000 desktop CPUs, based on the Zen4 micro-architecture, still use the same chiplet design as their predecessors, with a few small but not negligible changes. Igor already gave details about this in yesterdays big review.The big Ryzen 7000 Memory and OC Tuning Guide