Intel Xeon E3 1220 v2 's Advantages
Lower TDP (69W vs 95W)
Xeon E 2186G 's Advantages
Released 6 years late
Higher specification of memory (2666 vs 3)
Higher base frequency (3.8GHz vs 3.1GHz)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)