Intel Core i7 8850H 's Advantages
Higher base frequency (2.6GHz vs 1.4GHz)
Intel Core Ultra 7 155H 's Advantages
Released 5 years and 8 months late
Better graphics card performance
Higher specification of memory (LPDDR5-7467 vs DDR4-2666)
Larger memory bandwidth (120GB/s vs 42.7GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (24MB vs 9MB)
More modern manufacturing process (7nm vs 14nm)
Lower TDP (20W vs 45W)