Intel Core i5 6500 's Advantages
Integrated graphics card
Lower TDP (65W vs 165W)
Intel Core i7 9800X 's Advantages
Released 3 years and 1 months late
Higher specification of memory (2666 vs 2133)
Larger memory bandwidth (79.47GB/s vs 34.1GB/s)
Higher base frequency (3.8GHz vs 3.2GHz)
Larger L3 cache size (17MB vs 6MB)