AMD Ryzen 3 7440U 's Advantages
Higher specification of memory (LPDDR5x-7500 vs DDR5-5600)
Higher base frequency (3.5GHz vs 3.3GHz)
AMD Ryzen Z1 Extreme 's Advantages
Better graphics card performance
Newer PCIe version (4 vs 4.0)
Larger L3 cache size (16MB vs 8MB)
Lower TDP (9W vs 15W)