Intel Xeon E5 2666 v3 's Advantages
Higher base frequency (2.9GHz vs 2.5GHz)
Larger L3 cache size (25MB vs 16MB)
AMD EPYC Embedded 3255 's Advantages
Released 3 years and 3 months late
Higher specification of memory (DDR4-2666 vs DDR4-2133)
Lower TDP (55W vs 135W)