AMD Ryzen 5 7530U's Advantages
Larger L3 cache size (16MB vs 8MB)
Lower TDP (15W vs 15W)
AMD Ryzen 3 8440U's Advantages
Released 11 months late
Better graphics card performance
Higher specification of memory (LPDDR5x-7500 vs LPDDR4x-4267)
Larger memory bandwidth (89.6GB/s vs 51.2GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.0GHz vs 2.0GHz)