Intel Xeon E3 1125C 's Advantages
Lower TDP (40W vs 80W)
Intel Xeon E3 1220 v3 's Advantages
Released 1 years and 1 months late
Higher specification of memory (DDR3-1600 vs DDR3)
Higher base frequency (3.1GHz vs 2GHz)
More modern manufacturing process (22nm vs 32nm)