Intel Core i5 6400 's Advantages
Released 1 years and 1 months late
Integrated graphics card
More modern manufacturing process (14nm vs 22nm)
Lower TDP (65W vs 140W)
Intel Core i7 5960X 's Advantages
Higher specification of memory (DDR4-2133 vs DDR4-2133)
Larger memory bandwidth (68GB/s vs 34.1GB/s)
Higher base frequency (3.0GHz vs 2.7GHz)
Larger L3 cache size (20MB vs 6MB)