Xeon X5470 's Advantages
Higher base frequency (3.333GHz vs 2.15GHz)
AMD EPYC Embedded 3451 's Advantages
Released 9 years and 5 months late
Higher specification of memory (2666 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (100W vs 120W)