Intel Core i3 9300 's Advantages
Released 2 years and 11 months late
Integrated graphics card
Higher specification of memory (2400 vs 2133)
Higher base frequency (3.7GHz vs 3.4GHz)
Lower TDP (62W vs 140W)
Intel Core i7 6800K 's Advantages
Larger memory bandwidth (76.8GB/s vs 37.5GB/s)
Larger L3 cache size (15MB vs 8MB)