AMD Ryzen 9 6900HS's Advantages
Better graphics card performance
Higher specification of memory (LPDDR5-6400 vs DDR5-5200)
Higher base frequency (3.3GHz vs 2.1GHz)
Larger L3 cache size (16MB vs 12MB)
Lower TDP (35W vs 35W)
Intel Core i5 13420H's Advantages
Released 1 years late
Newer PCIe version (5.0 vs 4.0)