Intel Pentium Gold 5405U's Advantages
Lower TDP (15W vs 35W)
AMD Ryzen 9 5900HX's Advantages
Released 2 years late
Higher specification of memory (LPDDR4-4266 vs DDR4-2133)
Larger memory bandwidth (68.27GB/s vs 37.5GB/s)
Newer PCIe version (3.0 vs 2.0)
Higher base frequency (3.3GHz vs 2.3GHz)
Larger L3 cache size (16MB vs 2MB)