Xeon E7 4820 's Advantages
Lower TDP (105W vs 200W)
AMD EPYC 9254 's Advantages
Released 11 years and 7 months late
Higher specification of memory (4800 vs 1333)
Higher base frequency (2.9GHz vs 2GHz)
Larger L3 cache size (128MB vs 18MB)
More modern manufacturing process (5nm vs 32nm)