Intel Core i5 9400H 's Advantages
Higher base frequency (2.5GHz vs 2.3GHz)
AMD Ryzen 5 4500U 's Advantages
Released 9 months late
Higher specification of memory (4266 vs 2666)
Larger memory bandwidth (68.27GB/s vs 41.8GB/s)
More modern manufacturing process (7nm vs 14nm)
Lower TDP (25W vs 45W)