AMD EPYC 7301 's Advantages
Lower TDP (170W vs 225W)
AMD EPYC 7742 's Advantages
Released 2 years and 2 months late
Higher specification of memory (DDR4-3200 vs DDR4-2666)
Newer PCIe version (4 vs 3)
Higher base frequency (2.25GHz vs 2.2GHz)
Larger L3 cache size (256MB vs 64MB)
More modern manufacturing process (7nm vs 14nm)