Intel Core i5 9400H 's Advantages
Lower TDP (45W vs 54W)
AMD Ryzen 5 4600HS 's Advantages
Released 9 months late
Higher specification of memory (4266 vs 2666)
Larger memory bandwidth (68.27GB/s vs 41.8GB/s)
Higher base frequency (3.0GHz vs 2.5GHz)
More modern manufacturing process (7nm vs 14nm)