Intel Xeon E5 2690 v2 's Advantages
Released 2 years and 5 months late
Higher base frequency (3GHz vs 2.2GHz)
Larger L3 cache size (25MB vs 3MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E3 1220L 's Advantages
Lower TDP (20W vs 130W)