Intel Core i9 12900HX 's Advantages
Integrated graphics card
Newer PCIe version (5.0 vs 4)
Larger L3 cache size (30MB vs 24MB)
Intel Core 7 250H 's Advantages
Released 2 years and 5 months late
Higher specification of memory (5200 vs 4800)
Larger memory bandwidth (83.2GB/s vs 76.8GB/s)
Higher base frequency (2.5GHz vs 2.3GHz)
Lower TDP (15W vs 55W)