Intel Xeon E3 1270 v5 's Advantages
Released 2 years and 1 months late
Higher base frequency (3.6GHz vs 3.4GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (80W vs 130W)
Intel Xeon E5 2687W v2 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Larger L3 cache size (20MB vs 8MB)