Intel Xeon E3 1270 v5 's Advantages
Released 1 years and 5 months late
Higher base frequency (3.6GHz vs 3.3GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (80W vs 84W)
Intel Xeon E3 1226 v3 's Advantages
Higher specification of memory (DDR3-1600 vs DDR3)