Intel Core i7 6800K 's Advantages
Released 2 years and 4 months late
Higher specification of memory (2133 vs 1600)
Higher base frequency (3.4GHz vs 2.6GHz)
Larger L3 cache size (15MB vs 6MB)
More modern manufacturing process (14nm vs 22nm)
Pentium 1403 V2 's Advantages
Newer PCIe version (3 vs 3.0)
Lower TDP (80W vs 140W)