Intel Core i3 9100 's Advantages
Integrated graphics card
Lower TDP (65W vs 95W)
Intel Core i7 9700KF 's Advantages
Higher specification of memory (DDR4-2666 vs DDR4-2400)
Larger memory bandwidth (41.6GB/s vs 37.5GB/s)
Larger L3 cache size (12MB vs 6MB)