AMD EPYC 7402 's Advantages
Higher base frequency (2.8GHz vs 2.5GHz)
Larger L3 cache size (128MB vs 64MB)
Lower TDP (180W vs 200W)
AMD EPYC 9224 '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)