Intel Core i7 14700K 's Advantages
Released 4 years and 6 months late
Better graphics card performance
Higher specification of memory (5600 vs 2400)
Larger memory bandwidth (89.6GB/s vs 37.5GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (33MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)
Intel Core i3 9300 's Advantages
Higher base frequency (3.7GHz vs 3.4GHz)
Lower TDP (62W vs 125W)