Intel Xeon E3 1578L v5 's Advantages
Released 1 years and 8 months late
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 160W)
Intel Xeon E5 2687W v3 's Advantages
Higher specification of memory (2133 vs 2133)
Higher base frequency (3.1GHz vs 2GHz)
Larger L3 cache size (25MB vs 8MB)