Xeon E 2186M 's Advantages
Released 2 years and 3 months late
Higher specification of memory (2666 vs 1866)
Higher base frequency (2.9GHz vs 1.7GHz)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (14nm vs 28nm)
Opteron A1150 's Advantages
Lower TDP (32W vs 45W)