Intel Xeon E3 1220 's Advantages
Higher base frequency (3.1GHz vs 2.4GHz)
Xeon E 2286M 's Advantages
Released 8 years and 1 months late
Higher specification of memory (2666 vs 3)
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 80W)