AMD Ryzen 5 5600U 's Advantages
Better graphics card performance
Lower TDP (25W vs 55W)
AMD Ryzen 9 7940HX 's Advantages
Released 3 years late
Higher specification of memory (5200 vs 4266)
Larger memory bandwidth (83.2GB/s vs 51.2GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (2.4GHz vs 2.3GHz)
Larger L3 cache size (64MB vs 16MB)
More modern manufacturing process (5nm vs 7nm)