AMD Ryzen 9 7940HX 's Advantages
Released 9 months late
Newer PCIe version (5.0 vs 4.0)
Larger L3 cache size (64MB vs 16MB)
AMD Ryzen Z1 's Advantages
Better graphics card performance
Higher specification of memory (7500 vs 5200)
Higher base frequency (3.2GHz vs 2.4GHz)
More modern manufacturing process (4nm vs 5nm)
Lower TDP (30W vs 55W)