AMD Ryzen 5 7530U 's Advantages
Integrated graphics card
Higher specification of memory (LPDDR4x-4267 vs DDR5-5600)
Lower TDP (15W vs 28W)
AMD Ryzen 5 7545U 's Advantages
Released 10 months late
Newer PCIe version (4 vs 3.0)
Higher base frequency (3.2GHz vs 2.0GHz)
More modern manufacturing process (4nm vs 7nm)