Intel Core i5 8259U 's Advantages
Better graphics card performance
Higher base frequency (2.3GHz vs 2.2GHz)
Lower TDP (28W vs 45W)
Intel Core i7 8750H 's Advantages
Higher specification of memory (2666 vs 2400)
Larger memory bandwidth (41.8GB/s vs 37.5GB/s)
Larger L3 cache size (9MB vs 6MB)