Intel Xeon E3 1225 v3 's Advantages
Lower TDP (84W vs 95W)
Xeon E 2186G 's Advantages
Released 4 years and 11 months late
Higher specification of memory (DDR4-2666 vs DDR3-1600)
Higher base frequency (3.8GHz vs 3.2GHz)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)