Intel Xeon E3 1240 v2 's Advantages
Higher base frequency (3.4GHz vs 2.4GHz)
Xeon E 2286M 's Advantages
Released 7 years late
Higher specification of memory (DDR4-2666 vs DDR3)
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 69W)