Intel Core Ultra 7 155U 's Advantages
Integrated graphics card
Higher specification of memory (7467 vs 6400)
Larger memory bandwidth (120GB/s vs 102.4GB/s)
Higher base frequency (1.7GHz vs 0.7GHz)
Intel Core Ultra 5 134U 's Advantages
Newer PCIe version (4 vs 4.0)
Lower TDP (9W vs 57W)