Intel Core i5 13420H 's Advantages
Released 3 years and 6 months late
Better graphics card performance
Higher specification of memory (5200 vs 2400)
Larger memory bandwidth (76.8GB/s vs 37.5GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (2.1GHz vs 1.7GHz)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)
Intel Core i7 8557U 's Advantages
Lower TDP (15W vs 45W)