Xeon E 2186G 's Advantages
Released 6 years late
Higher specification of memory (2666 vs 3)
Higher base frequency (3.8GHz vs 3.4GHz)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E3 1245 v2 's Advantages
Lower TDP (77W vs 95W)