Intel Xeon E5 2687W v3 's Advantages
Higher specification of memory (DDR4-2133 vs DDR4)
Larger L3 cache size (25MB vs 8MB)
Intel Xeon E3 1285 v6 's Advantages
Released 2 years and 11 months late
Higher base frequency (4.1GHz vs 3.1GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (79W vs 160W)