Xeon E7 4870 's Advantages
Larger L3 cache size (30MB vs 16MB)
AMD EPYC Embedded 3255 's Advantages
Released 6 years and 10 months late
Higher specification of memory (2666 vs 1333)
Higher base frequency (2.5GHz vs 2.4GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (55W vs 130W)