Intel Core i9 7900X 's Advantages
Higher specification of memory (2666 vs 2400)
Larger memory bandwidth (79.47GB/s vs 37.5GB/s)
Larger L3 cache size (14MB vs 8MB)
Intel Core i3 8350K 's Advantages
Integrated graphics card
Higher base frequency (4.0GHz vs 3.3GHz)
Lower TDP (91W vs 140W)