Intel Xeon E5 2640 v3 's Advantages
Released 2 years and 4 months late
Higher specification of memory (DDR4-1866 vs DDR3)
Larger L3 cache size (20MB vs 8MB)
Intel Xeon E3 1270 v2 's Advantages
Higher base frequency (3.5GHz vs 2.6GHz)
Lower TDP (69W vs 90W)