Intel Core i3 9100 's Advantages
Released 1 years and 11 months late
Integrated graphics card
Higher base frequency (3.6GHz vs 3.5GHz)
Lower TDP (65W vs 140W)
Intel Core i7 7800X 's Advantages
Larger memory bandwidth (79.47GB/s vs 37.5GB/s)
Larger L3 cache size (8MB vs 6MB)