Intel Xeon E7 8870 v3 's Advantages
Released 3 years and 3 months late
Higher specification of memory (1866 vs 3)
Larger L3 cache size (45MB vs 20MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (140W vs 150W)
Intel Xeon E5 2687W 's Advantages
Higher base frequency (3.1GHz vs 2.1GHz)