Intel Core i9 7900X 's Advantages
Larger memory bandwidth (79.47GB/s vs 41.6GB/s)
Larger L3 cache size (14MB vs 8MB)
Intel Core i3 10300 's Advantages
Released 3 years late
Integrated graphics card
Higher base frequency (3.7GHz vs 3.3GHz)
Lower TDP (65W vs 140W)