Intel Xeon E5 2695 v2 's Advantages
Lower TDP (115W vs 165W)
Intel Xeon E7 8891 v3 's Advantages
Released 1 years and 9 months late
Higher specification of memory (DDR3 vs DDR3)
Higher base frequency (2.8GHz vs 2.4GHz)
Larger L3 cache size (45MB vs 30MB)