Intel Core i7 1280P's Advantages
Better graphics card performance
Larger L3 cache size (24MB vs 12MB)
Intel Core i5 1340P'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 (1.9GHz vs 1.8GHz)