AMD Ryzen 5 7640U's Advantages
Integrated graphics card
Higher specification of memory (LPDDR5x-7500 vs LPDDR5X-6400)
Higher base frequency (3.5GHz vs 1.1GHz)
Larger L3 cache size (16MB vs 12MB)
Intel Core Ultra 7 164U's Advantages
Released 7 months late
Newer PCIe version (4 vs 4.0)
Lower TDP (9W vs 15W)