Intel Core i7 7820X 's Advantages
Higher specification of memory (2666 vs 2400)
Larger memory bandwidth (79.47GB/s vs 35.76GB/s)
Higher base frequency (3.6GHz vs 3.4GHz)
Larger L3 cache size (11MB vs 6MB)
Intel Core i5 7500 's Advantages
Integrated graphics card
Lower TDP (65W vs 140W)