Intel Xeon E3 1220L 's Advantages
Higher base frequency (2.2GHz vs 1.1GHz)
Intel Xeon E3 1220L v3 's Advantages
Released 2 years and 5 months late
Higher specification of memory (1600 vs 3)
Larger L3 cache size (4MB vs 3MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (13W vs 20W)