AMD EPYC 7502 's Advantages
Higher base frequency (2.5GHz vs 1.8GHz)
Larger L3 cache size (128MB vs 60MB)
Lower TDP (180W vs 185W)
Intel Xeon Gold 6421N 's Advantages
Released 3 years and 5 months late
Higher specification of memory (DDR5-4400 vs DDR4-3200)
Newer PCIe version (5 vs 4)