Intel Core i3 8145U 's Advantages
Lower TDP (15W vs 55W)
AMD Ryzen 9 7945HX 's Advantages
Released 4 years and 5 months late
Better graphics card performance
Higher specification of memory (DDR5-5200 vs DDR4-2400)
Larger memory bandwidth (83.2GB/s vs 37.5GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (2.5GHz vs 2.1GHz)
Larger L3 cache size (64MB vs 4MB)