Intel Core i5 13420H's Advantages
Integrated graphics card
Newer PCIe version (5.0 vs 4)
AMD Ryzen 5 PRO 8640HS's Advantages
Released 1 years and 3 months late
Higher specification of memory (DDR5-5600 vs DDR5-5200)
Higher base frequency (3.5GHz vs 2.1GHz)
Larger L3 cache size (16MB vs 12MB)
Lower TDP (28W vs 35W)