Intel Core i5 12600H 's Advantages
Higher base frequency (2.7GHz vs 1.7GHz)
Lower TDP (45W vs 65W)
Intel Core Ultra 5 135H 's Advantages
Released 1 years and 11 months late
Better graphics card performance
Higher specification of memory (7467 vs 5200)
Larger memory bandwidth (120GB/s vs 76.8GB/s)
Newer PCIe version (5.0 vs 4.0)
More modern manufacturing process (7nm vs 10nm)