Intel Xeon E3 1220L 's Advantages
Higher base frequency (2.2GHz vs 2GHz)
Lower TDP (20W vs 25W)
Intel Xeon E3 1240L v3 's Advantages
Released 3 years and 1 months late
Higher specification of memory (1600 vs 3)
Larger L3 cache size (8MB vs 3MB)
More modern manufacturing process (22nm vs 32nm)