Intel Core i5 6200U 's Advantages
Lower TDP (15W vs 45W)
Intel Core i9 12900H 's Advantages
Released 6 years and 4 months late
Higher specification of memory (5200 vs 2133)
Larger memory bandwidth (76.8GB/s vs 34.1GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (2.5GHz vs 2.3GHz)
Larger L3 cache size (24MB vs 3MB)
More modern manufacturing process (10nm vs 14nm)