Intel Core i5 6500 's Advantages
Integrated graphics card
Lower TDP (65W vs 140W)
Intel Core i7 7800X 's Advantages
Released 1 years and 8 months late
Higher specification of memory (DDR4-2400 vs DDR4-2133)
Larger memory bandwidth (79.47GB/s vs 34.1GB/s)
Higher base frequency (3.5GHz vs 3.2GHz)
Larger L3 cache size (8MB vs 6MB)