AMD EPYC 7643P 's Advantages
Larger L3 cache size (256MB vs 32MB)
AMD EPYC 4244P 's Advantages
Released 8 months late
Higher specification of memory (5200 vs 3200)
Newer PCIe version (5 vs 4)
Higher base frequency (3.8GHz vs 2.3GHz)
More modern manufacturing process (5nm vs 7nm)
Lower TDP (65W vs 225W)