Intel Core i9 9940X 's Advantages
Released 6 months late
Higher specification of memory (2666 vs 2400)
Larger memory bandwidth (85GB/s vs 37.5GB/s)
Larger L3 cache size (20MB vs 8MB)
Intel Core i3 8300 's Advantages
Integrated graphics card
Higher base frequency (3.7GHz vs 3.3GHz)
Lower TDP (62W vs 165W)