AMD Ryzen 3 4300U '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 (2.7GHz vs 2.5GHz)
More modern manufacturing process (7nm vs 14nm)
Lower TDP (25W vs 45W)
Intel Core i5 9400H 's Advantages
Larger L3 cache size (8MB vs 4MB)