Intel Xeon E3 1270 v5 's Advantages
Released 2 years and 1 months late
Higher base frequency (3.6GHz vs 3GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (80W vs 130W)
Intel Xeon E5 1680 v2 's Advantages
Higher specification of memory (DDR3-1866 vs DDR3)
Larger L3 cache size (25MB vs 8MB)