AMD Ryzen 7 4700U 's Advantages
Lower TDP (25W vs 30W)
AMD Ryzen 3 7440U 's Advantages
Released 3 years and 9 months late
Better graphics card performance
Higher specification of memory (7500 vs 4266)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.0GHz vs 2.0GHz)
More modern manufacturing process (4nm vs 7nm)