AMD Ryzen 5 7640HS 's Advantages
Released 4 years late
Better graphics card performance
Higher specification of memory (LPDDR5x-7500 vs DDR4-2133)
Larger memory bandwidth (89.6GB/s vs 37.5GB/s)
Newer PCIe version (4.0 vs 2.0)
Higher base frequency (4.3GHz vs 2.3GHz)
Larger L3 cache size (16MB vs 2MB)
Intel Pentium Gold 5405U 's Advantages
Lower TDP (15W vs 35W)