Hardware enthusiasts will already know, but for anyone who doesn’t, the performance of AMD’s extant Ryzen platforms is seriously impacted by the transfer rate of the system RAM. It’s not actually the memory bandwidth that matters for most tasks; instead, it’s because the speed of the “Infinity Fabric” is linked directly to the memory clock.

Source: Hot Hardware – AMD Ryzen 7000 Zen 4 Confirmed To Support DDR5-5200 Memory Speeds At Launch