AMD Ryzen 3 Pro 5450U Advantages
Lower TDP (15W vs 15W)
AMD Ryzen 3 7440U Advantages
Released 2 years and 7 months late
Higher specification of memory (LPDDR5x-7500 vs LPDDR4-4266)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.5GHz vs 2.6GHz)
More modern manufacturing process (4nm vs 7nm)