Intel Pentium Gold 5405U's Advantages
Higher base frequency (2.3GHz vs 1.7GHz)
Intel Core Ultra 7 165U's Advantages
Released 4 years and 11 months late
Better graphics card performance
Higher specification of memory (LPDDR5-7467 vs DDR4-2133)
Larger memory bandwidth (120GB/s vs 37.5GB/s)
Newer PCIe version (4.0 vs 2.0)
Larger L3 cache size (12MB vs 2MB)
More modern manufacturing process (7nm vs 14nm)
Lower TDP (12W vs 15W)