AMD EPYC 9734 's Advantages
Released 6 years late
Higher specification of memory (DDR5-4800 vs DDR4-2666)
Newer PCIe version (5 vs 3)
Higher base frequency (2.2GHz vs 2.1GHz)
Larger L3 cache size (256MB vs 32MB)
More modern manufacturing process (5nm vs 14nm)
AMD EPYC 7281 's Advantages
Lower TDP (170W vs 340W)