Xeon E7 4830 's Advantages
Lower TDP (105W vs 200W)
AMD EPYC 9255 's Advantages
Released 13 years and 6 months late
Higher specification of memory (6000 vs 1333)
Higher base frequency (3.25GHz vs 2.133GHz)
Larger L3 cache size (128MB vs 24MB)
More modern manufacturing process (4nm vs 32nm)