Intel Core i5 1230U's Advantages
Better graphics card performance
Higher specification of memory (LPDDR5-5200 vs DDR5-5200)
Lower TDP (9W vs 45W)
AMD Ryzen 5 7645HX's Advantages
Released 11 months late
Larger memory bandwidth (83.2GB/s vs 76.8GB/s)
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (4.0GHz vs 1.0GHz)
Larger L3 cache size (32MB vs 12MB)