AMD Ryzen 5 7640HS 's Advantages
Higher specification of memory (LPDDR5x-7500 vs LPDDR5-7467)
Higher base frequency (4.3GHz vs 1.4GHz)
Intel Core Ultra 7 155H 's Advantages
Released 11 months late
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 (24MB vs 16MB)
Lower TDP (20W vs 35W)