AMD EPYC Embedded 9454 '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 (2.75GHz vs 2.4GHz)
More modern manufacturing process (5nm vs 7nm)
AMD EPYC 7642 's Advantages
Lower TDP (225W vs 290W)