AMD EPYC 7742 's Advantages
Released 9 years and 6 months late
Higher specification of memory (3200 vs 1066)
Newer PCIe version (4 vs 2)
Higher base frequency (2.25GHz vs 2.133GHz)
Larger L3 cache size (256MB vs 8MB)
More modern manufacturing process (7nm vs 45nm)
Xeon EC3529 's Advantages
Lower TDP (65W vs 225W)