Intel Xeon E5 2603 v2 's Advantages
Lower TDP (80W vs 95W)
Xeon E 2186G 's Advantages
Released 4 years and 8 months late
Higher specification of memory (2666 vs 3)
Higher base frequency (3.8GHz vs 1.8GHz)
Larger L3 cache size (12MB vs 10MB)
More modern manufacturing process (14nm vs 22nm)