Intel Core i5 8259U 's Advantages
Better graphics card performance
Higher specification of memory (DDR4-2400 vs DDR4-2133)
Larger memory bandwidth (37.5GB/s vs 34.1GB/s)
Larger L3 cache size (6MB vs 2MB)
Intel Pentium Gold 4417U 's Advantages
Released 9 months late
Lower TDP (15W vs 28W)