Intel Core i7 1250U 's Advantages
Lower TDP (9W vs 45W)
Intel Core i9 13900H 's Advantages
Released 11 months late
Higher specification of memory (6400 vs 5200)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (2.6GHz vs 1.1GHz)
Larger L3 cache size (24MB vs 12MB)