Intel Core i3 9300 's Advantages
Released 10 months late
Lower TDP (62W vs 95W)
Intel Core i7 8086K 's Advantages
Higher specification of memory (2666 vs 2400)
Larger memory bandwidth (41.6GB/s vs 37.5GB/s)
Higher base frequency (4.0GHz vs 3.7GHz)
Larger L3 cache size (12MB vs 8MB)