Intel Core i9 12900HX 's Advantages
Larger L3 cache size (30MB vs 24MB)
Intel Core i9 13900H 's Advantages
Released 8 months late
Better graphics card performance
Higher specification of memory (LPDDR5-6400 vs DDR5-4800)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Higher base frequency (2.6GHz vs 2.3GHz)
Lower TDP (35W vs 45W)