AMD EPYC 7543P 's Advantages
Higher base frequency (2.8GHz vs 2.2GHz)
Lower TDP (225W vs 340W)
AMD EPYC 9734 '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)