Xeon E 2186G 's Advantages
Released 10 years late
Higher specification of memory (2666 vs 667)
Higher base frequency (3.8GHz vs 1.9GHz)
Larger L3 cache size (12MB vs 2MB)
More modern manufacturing process (14nm vs 65nm)
Opteron 8347 HE (B3) 's Advantages
Lower TDP (68W vs 95W)