Xeon E 2456 's Advantages
Released 4 years and 4 months late
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)
Higher base frequency (3.3GHz vs 2.5GHz)
Lower TDP (80W vs 180W)
AMD EPYC 7502P 's Advantages
Larger L3 cache size (128MB vs 18MB)
More modern manufacturing process (7nm vs 10nm)