Xeon E7 2820 's Advantages
Lower TDP (105W vs 290W)
AMD EPYC Embedded 9454 's Advantages
Released 11 years and 11 months late
Higher specification of memory (4800 vs 1333)
Higher base frequency (2.75GHz vs 2GHz)
Larger L3 cache size (256MB vs 18MB)
More modern manufacturing process (5nm vs 32nm)