AMD Ryzen 5 7640HS 's Advantages
Integrated graphics card
Higher specification of memory (7500 vs 4800)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Higher base frequency (4.3GHz vs 3.2GHz)
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (4nm vs 6nm)
AMD Ryzen 5 7235HS 's Advantages
Newer PCIe version (4 vs 4.0)
Lower TDP (45W vs 54W)