Intel Xeon E3 1220L 's Advantages
Lower TDP (20W vs 69W)
Intel Xeon E3 1280 v2 's Advantages
Released 1 years and 1 months late
Higher base frequency (3.6GHz vs 2.2GHz)
Larger L3 cache size (8MB vs 3MB)
More modern manufacturing process (22nm vs 32nm)