AMD Ryzen 5 7530U's Advantages
Integrated graphics card
Higher specification of memory (LPDDR4x-4267 vs DDR5-5600)
Lower TDP (15W vs 45W)
AMD Ryzen 5 PRO 8645HS's Advantages
Released 1 years and 3 months late
Newer PCIe version (4 vs 3.0)
Higher base frequency (4.3GHz vs 2.0GHz)
More modern manufacturing process (4nm vs 7nm)