Intel Core i9 12900HX 's Advantages
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (2.3GHz vs 1.2GHz)
Larger L3 cache size (30MB vs 10MB)
Intel Core 3 100U 's Advantages
Released 1 years and 8 months late
Better graphics card performance
Higher specification of memory (6400 vs 4800)
Larger memory bandwidth (83.2GB/s vs 76.8GB/s)
Lower TDP (15W vs 55W)