Intel Core i7 8557U 's Advantages
Lower TDP (15W vs 25W)
AMD Ryzen 5 5500U 's Advantages
Released 1 years and 6 months late
Better graphics card performance
Higher specification of memory (4266 vs 2400)
Larger memory bandwidth (51.2GB/s vs 37.5GB/s)
Higher base frequency (2.1GHz vs 1.7GHz)
More modern manufacturing process (7nm vs 14nm)