Xeon E 2186G 's Advantages
Released 4 years and 8 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Higher base frequency (3.8GHz vs 1.9GHz)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E5 2440 v2 's Advantages
Larger L3 cache size (20MB vs 12MB)