Intel Xeon E3 1225 's Advantages
Lower TDP (95W vs 200W)
AMD EPYC 9255 's Advantages
Released 13 years and 6 months late
Higher specification of memory (6000 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (3.25GHz vs 3.1GHz)
Larger L3 cache size (128MB vs 6MB)
More modern manufacturing process (4nm vs 32nm)