AMD Ryzen 7 7730U 's Advantages
Lower TDP (15W vs 30W)
AMD Ryzen 5 7545U 's Advantages
Released 6 months late
Higher specification of memory (7500 vs 4267)
Larger memory bandwidth (89.6GB/s vs 51.2GB/s)
Newer PCIe version (4 vs 3.0)
Higher base frequency (3.2GHz vs 2.0GHz)
More modern manufacturing process (4nm vs 7nm)