AMD Ryzen 3 8440U 's Advantages
Better graphics card performance
Higher specification of memory (7500 vs 7467)
Higher base frequency (3.0GHz vs 1.6GHz)
More modern manufacturing process (4nm vs 7nm)
Lower TDP (30W vs 57W)
Intel Core Ultra 5 135U 's Advantages
Larger memory bandwidth (120GB/s vs 89.6GB/s)
Larger L3 cache size (12MB vs 8MB)