AMD EPYC 7453 's Advantages
Released 3 years and 9 months late
Higher specification of memory (3200 vs 2666)
Newer PCIe version (4 vs 3)
Higher base frequency (2.75GHz vs 2GHz)
More modern manufacturing process (7nm vs 14nm)
AMD EPYC 7551P 's Advantages
Lower TDP (180W vs 225W)