Intel Xeon E3 1220 v2 's Advantages
Higher base frequency (3.1GHz vs 2.9GHz)
Xeon E 2186M 's Advantages
Released 5 years and 11 months late
Higher specification of memory (2666 vs 3)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 69W)