Intel Core i3 8145U 's Advantages
Higher base frequency (2.1GHz vs 1.6GHz)
Intel Core i3 1305U 's Advantages
Released 4 years and 5 months late
Better graphics card performance
Higher specification of memory (5200 vs 2400)
Larger memory bandwidth (76.8GB/s vs 37.5GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (10MB vs 4MB)
More modern manufacturing process (10nm vs 14nm)