Xeon E 2186M 's Advantages
Higher base frequency (2.9GHz vs 1.3GHz)
Larger L3 cache size (12MB vs 6MB)
Intel Atom x7835RE 's Advantages
Released 6 years late
Higher specification of memory (4800 vs 2666)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (12W vs 45W)