Intel Xeon E5 2643 v3 's Advantages
Higher base frequency (3.4GHz vs 2.4GHz)
Larger L3 cache size (20MB vs 16MB)
Xeon E 2286M 's Advantages
Released 4 years and 8 months late
Higher specification of memory (DDR4-2666 vs DDR4-2133)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 135W)