AMD EPYC 7402P 's Advantages
Higher base frequency (2.8GHz vs 2.7GHz)
Lower TDP (180W vs 210W)
AMD EPYC 9334 's Advantages
Released 3 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)