Intel Core i5 8300H 's Advantages
Higher specification of memory (2666 vs 2400)
Larger memory bandwidth (41.8GB/s vs 35.76GB/s)
Higher base frequency (2.3GHz vs 2.1GHz)
Larger L3 cache size (8MB vs 4MB)
AMD Ryzen 3 3300U 's Advantages
Released 9 months late
Better graphics card performance
More modern manufacturing process (12nm vs 14nm)
Lower TDP (35W vs 45W)