Intel Core i7 9700KF 's Advantages
Higher specification of memory (2666 vs 2400)
Larger memory bandwidth (41.6GB/s vs 37.5GB/s)
Larger L3 cache size (12MB vs 8MB)
Intel Core i3 9300 's Advantages
Integrated graphics card
Higher base frequency (3.7GHz vs 3.6GHz)
Lower TDP (62W vs 95W)