Intel Xeon E3 1220 v5 's Advantages
Released 3 years and 5 months late
Higher base frequency (3GHz vs 2.3GHz)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E3 1220L v2 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Lower TDP (17W vs 80W)