Intel Core i7 1255U 's Advantages
Released 121 years and 1 months late
Integrated graphics card
Higher specification of memory (LPDDR5-5200 vs DDR5-5200)
Higher base frequency (1.7GHz vs 1.5GHz)
Lower TDP (12W vs 15W)
Intel Core 5 220U 's Advantages
Larger memory bandwidth (83.2GB/s vs 76.8GB/s)
Newer PCIe version (4 vs 4.0)