Intel Xeon X5670 's Advantages
Higher base frequency (2.933GHz vs 2.15GHz)
Lower TDP (95W vs 100W)
AMD EPYC Embedded 3451 's Advantages
Released 7 years and 11 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (32MB vs 12MB)