Intel Core i3 7100 's Advantages
Integrated graphics card
Higher base frequency (3.9GHz vs 3.8GHz)
Lower TDP (51W vs 165W)
Intel Core i7 9800X 's Advantages
Released 1 years and 9 months late
Higher specification of memory (2666 vs 2400)
Larger memory bandwidth (79.47GB/s vs 35.76GB/s)
Larger L3 cache size (17MB vs 3MB)