Xeon E7 4830 's Advantages
Larger L3 cache size (24MB vs 16MB)
Xeon E 2286M 's Advantages
Released 8 years and 1 months late
Higher specification of memory (2666 vs 1333)
Higher base frequency (2.4GHz vs 2.133GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 105W)