Intel Xeon E3 1275 's Advantages
Higher base frequency (3.4GHz vs 2.15GHz)
Lower TDP (95W vs 100W)
AMD EPYC Embedded 3451 's Advantages
Released 6 years and 10 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Larger L3 cache size (32MB vs 8MB)