AMD Ryzen 3 4300U 's Advantages
Higher base frequency (2.7GHz vs 1.4GHz)
Lower TDP (25W vs 65W)
Intel Core Ultra 7 155H 's Advantages
Released 3 years and 11 months late
Higher specification of memory (7467 vs 4266)
Larger memory bandwidth (120GB/s vs 68.27GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (24MB vs 4MB)