Intel Xeon E3 1220 v3 's Advantages
Higher base frequency (3.1GHz vs 2.4GHz)
Intel Xeon E3 1268L v5 's Advantages
Released 2 years and 4 months late
Higher specification of memory (2133 vs 1600)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (35W vs 80W)