Intel Core i3 N305's Advantages
Lower TDP (9W vs 12W)
Intel Core i3 1305U's Advantages
Better graphics card performance
Higher specification of memory (DDR5-5200 vs DDR5-4800)
Larger memory bandwidth (76.8GB/s vs 38.4GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (10MB vs 6MB)