Intel Core i5 1345U 's Advantages
Better graphics card performance
Higher specification of memory (LPDDR5x-6400 vs DDR5-5200)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Lower TDP (12W vs 35W)
Intel Core i5 13420H 's Advantages
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (2.1GHz vs 1.6GHz)