Intel Core i9 12900H 's Advantages
Larger L3 cache size (24MB vs 16MB)
Lower TDP (35W vs 35W)
AMD Ryzen 9 6900HS 's Advantages
Better graphics card performance
Higher specification of memory (LPDDR5-6400 vs LPDDR5-5200)
Higher base frequency (3.3GHz vs 2.5GHz)