AMD EPYC 9135 's Advantages
Released 12 years and 7 months late
Higher specification of memory (6000 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (3.65GHz vs 3.6GHz)
Larger L3 cache size (64MB vs 10MB)
More modern manufacturing process (4nm vs 32nm)
Intel Xeon E5 1620 's Advantages
Lower TDP (130W vs 200W)