Xeon E7 4860 's Advantages
Lower TDP (130W vs 160W)
Intel Xeon E5 2687W v3 's Advantages
Released 3 years and 5 months late
Higher specification of memory (2133 vs 1333)
Higher base frequency (3.1GHz vs 2.266GHz)
Larger L3 cache size (25MB vs 24MB)
More modern manufacturing process (22nm vs 32nm)