Xeon E 2186M 's Advantages
Released 5 years and 11 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Higher base frequency (2.9GHz vs 1.8GHz)
Larger L3 cache size (12MB vs 10MB)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 80W)