Intel Core i5 1245U 's Advantages
Integrated graphics card
Higher specification of memory (LPDDR5-5200 vs DDR5-5600)
Lower TDP (12W vs 28W)
AMD Ryzen 5 PRO 8640HS 's Advantages
Released 2 years and 2 months late
Newer PCIe version (4 vs 4.0)
Higher base frequency (3.5GHz vs 1.6GHz)
Larger L3 cache size (16MB vs 12MB)