Intel Xeon E5 1680 v2 's Advantages
Higher specification of memory (DDR3-1866 vs DDR3)
Higher base frequency (3GHz vs 2.1GHz)
Lower TDP (130W vs 140W)
Intel Xeon E7 8870 v3 's Advantages
Released 1 years and 9 months late
Larger L3 cache size (45MB vs 25MB)