Intel Core i7 6800K 's Advantages
Released 8 months late
Larger memory bandwidth (76.8GB/s vs 34.1GB/s)
Larger L3 cache size (15MB vs 8MB)
Intel Core i7 6700 's Advantages
Integrated graphics card
Higher specification of memory (DDR4-2133 vs DDR4-2133)
Lower TDP (65W vs 140W)