Intel Xeon E5 1428L 's Advantages
Larger L3 cache size (15MB vs 12MB)
Lower TDP (60W vs 95W)
Xeon E 2186G 's Advantages
Released 6 years late
Higher specification of memory (2666 vs 3)
Higher base frequency (3.8GHz vs 1.8GHz)
More modern manufacturing process (14nm vs 32nm)