Intel Core i3 8145U 's Advantages
Lower TDP (15W vs 54W)
AMD Ryzen 9 8940H 's Advantages
Released 5 years and 5 months late
Better graphics card performance
Higher specification of memory (5600 vs 2400)
Larger memory bandwidth (89.6GB/s vs 37.5GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (4.0GHz vs 2.1GHz)
Larger L3 cache size (16MB vs 4MB)
More modern manufacturing process (4nm vs 14nm)