AMD EPYC 7371 's Advantages
Higher base frequency (3.1GHz vs 2.2GHz)
Lower TDP (170W vs 340W)
AMD EPYC 9734 's Advantages
Released 4 years and 7 months late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (256MB vs 64MB)
More modern manufacturing process (5nm vs 14nm)