Intel Xeon E5 1620 's Advantages
Higher base frequency (3.6GHz vs 2.2GHz)
Lower TDP (130W vs 390W)
AMD EPYC 9825 's Advantages
Released 12 years and 7 months late
Higher specification of memory (6000 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (384MB vs 10MB)
More modern manufacturing process (3nm vs 32nm)