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