Intel Xeon E3 1280 v5 's Advantages
Released 3 years and 5 months late
Higher specification of memory (DDR4 vs DDR3)
Higher base frequency (3.7GHz vs 3.1GHz)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E3 1220 v2 's Advantages
Lower TDP (69W vs 80W)