Xeon E6510 's Advantages
Lower TDP (105W vs 200W)
AMD EPYC 9255 's Advantages
Released 14 years and 7 months late
Higher specification of memory (6000 vs 1333)
Newer PCIe version (5 vs 2)
Higher base frequency (3.25GHz vs 1.733GHz)
Larger L3 cache size (128MB vs 12MB)
More modern manufacturing process (4nm vs 45nm)