Intel Core i3 9100 's Advantages
Released 6 months late
Integrated graphics card
Lower TDP (65W vs 165W)
Intel Core i7 9800X 's Advantages
Higher specification of memory (DDR4-2666 vs DDR4-2400)
Larger memory bandwidth (79.47GB/s vs 37.5GB/s)
Higher base frequency (3.8GHz vs 3.6GHz)
Larger L3 cache size (17MB vs 6MB)