AMD Ryzen 3 2300X 's Advantages
Higher specification of memory (2933 vs 2666)
Larger memory bandwidth (43.71GB/s vs 41.6GB/s)
Higher base frequency (3.5GHz vs 3.1GHz)
More modern manufacturing process (12nm vs 14nm)
Intel Core i9 9900 's Advantages
Released 7 months late
Integrated graphics card
Larger L3 cache size (16MB vs 4MB)