AMD EPYC 7702 's Advantages
Released 8 years and 6 months late
Higher specification of memory (3200 vs 1333)
Newer PCIe version (4 vs 2)
Larger L3 cache size (256MB vs 12MB)
More modern manufacturing process (7nm vs 32nm)
Xeon L5639 's Advantages
Higher base frequency (2.133GHz vs 2GHz)
Lower TDP (60W vs 200W)