Intel Core i5 7400 's Advantages
Released 8 months late
Integrated graphics card
Higher specification of memory (2400 vs 2133)
Lower TDP (65W vs 140W)
Intel Core i7 6850K 's Advantages
Larger memory bandwidth (76.8GB/s vs 35.76GB/s)
Higher base frequency (3.6GHz vs 3.0GHz)
Larger L3 cache size (15MB vs 6MB)