AMD EPYC 7742 's Advantages
Lower TDP (225W vs 360W)
AMD EPYC Embedded 9554P 's Advantages
Released 3 years and 7 months late
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)
Higher base frequency (3.1GHz vs 2.25GHz)
More modern manufacturing process (5nm vs 7nm)