Intel Core i5 8300H 's Advantages
Better graphics card performance
Higher specification of memory (DDR4-2666 vs DDR4-2133)
Larger memory bandwidth (41.8GB/s vs 37.5GB/s)
Newer PCIe version (3.0 vs 2.0)
Larger L3 cache size (8MB vs 2MB)
Intel Pentium Gold 5405U 's Advantages
Released 9 months late
Lower TDP (15W vs 45W)