AMD EPYC 7643P 's Advantages
Released 13 years and 6 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 2)
Higher base frequency (2.3GHz vs 2GHz)
Larger L3 cache size (256MB vs 12MB)
More modern manufacturing process (7nm vs 32nm)
Intel Xeon L5638 's Advantages
Lower TDP (60W vs 225W)