Intel Core i5 7200U 's Advantages
Higher base frequency (2.5GHz vs 2.3GHz)
Lower TDP (15W vs 55W)
Intel Core i9 12900HX 's Advantages
Released 5 years and 9 months late
Better graphics card performance
Higher specification of memory (4800 vs 2133)
Larger memory bandwidth (76.8GB/s vs 34.1GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (30MB vs 3MB)
More modern manufacturing process (10nm vs 14nm)