Xeon E7 2830 's Advantages
Lower TDP (105W vs 155W)
EPYC 7262 's Advantages
Released 8 years and 4 months late
Higher specification of memory (3200 vs 1333)
Higher base frequency (3.2GHz vs 2.133GHz)
Larger L3 cache size (128MB vs 24MB)
More modern manufacturing process (7nm vs 32nm)