Xeon E 2286M 's Advantages
Released 7 years late
Higher specification of memory (2666 vs 3)
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 77W)
Intel Xeon E3 1225 v2 's Advantages
Higher base frequency (3.2GHz vs 2.4GHz)