Intel Core i3 1220P's Advantages
Better graphics card performance
Intel Core i5 1345U's Advantages
Released 11 months late
Higher specification of memory (LPDDR5x-6400 vs LPDDR5-5200)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Higher base frequency (1.6GHz vs 1.5GHz)
Lower TDP (12W vs 20W)