Intel Xeon E3 1226 v3 's Advantages
Higher base frequency (3.3GHz vs 3.25GHz)
Lower TDP (84W vs 200W)
AMD EPYC 9255 's Advantages
Released 10 years and 5 months late
Higher specification of memory (6000 vs 1600)
Newer PCIe version (5 vs 3)
Larger L3 cache size (128MB vs 8MB)
More modern manufacturing process (4nm vs 22nm)