AMD EPYC 9754 's Advantages
Released 2 years and 3 months late
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)
More modern manufacturing process (5nm vs 7nm)
AMD EPYC 7543 's Advantages
Higher base frequency (2.8GHz vs 2.25GHz)
Lower TDP (225W vs 360W)