Xeon E 2186G 's Advantages
Released 6 years late
Higher specification of memory (2666 vs 3)
Higher base frequency (3.8GHz vs 2GHz)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon E3 1125C 's Advantages
Lower TDP (40W vs 95W)