Intel Core Ultra 5 125H's Advantages
Better graphics card performance
Larger memory bandwidth (120GB/s vs 89.6GB/s)
Newer PCIe version (5.0 vs 4.0)
Larger L3 cache size (18MB vs 16MB)
Lower TDP (20W vs 28W)
AMD Ryzen 5 8640HS's Advantages
Higher specification of memory (LPDDR5x-7500 vs LPDDR5-7467)
Higher base frequency (3.5GHz vs 1.2GHz)