Intel Core i3 8350K 's Advantages
Integrated graphics card
Higher base frequency (4.0GHz vs 3.6GHz)
Lower TDP (91W vs 140W)
Intel Core i7 7820X 's Advantages
Higher specification of memory (2666 vs 2400)
Larger memory bandwidth (79.47GB/s vs 37.5GB/s)
Larger L3 cache size (11MB vs 8MB)