Intel Xeon E5 1681 v3 's Advantages
Released 6 years late
Higher specification of memory (2133 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 45nm)
Xeon X5470 's Advantages
Higher base frequency (3.333GHz vs 2.9GHz)
Lower TDP (120W vs 135W)