Intel Core i7 1355U 's Advantages
Higher specification of memory (6400 vs 5200)
Larger memory bandwidth (89.6GB/s vs 83.2GB/s)
Lower TDP (15W vs 45W)
Intel Core 5 220H 's Advantages
Released 1 years and 11 months late
Better graphics card performance
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (2.7GHz vs 1.7GHz)
Larger L3 cache size (18MB vs 12MB)