Intel Core i7 13620H's Advantages
Newer PCIe version (5.0 vs 4.0)
Larger L3 cache size (24MB vs 16MB)
Lower TDP (35W vs 35W)
AMD Ryzen 7 7840HS's Advantages
Better graphics card performance
Higher specification of memory (LPDDR5x-7500 vs DDR5-5200)
Higher base frequency (3.8GHz vs 2.4GHz)