Intel Core i5 9400H 's Advantages
Higher base frequency (2.5GHz vs 1.9GHz)
AMD Ryzen 7 5800U 's Advantages
Released 1 years and 9 months late
Higher specification of memory (4266 vs 2666)
Larger memory bandwidth (51.2GB/s vs 41.8GB/s)
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (7nm vs 14nm)
Lower TDP (25W vs 45W)