Intel Core i7 8665U 's Advantages
Higher base frequency (1.9GHz vs 1.0GHz)
Larger L3 cache size (8MB vs 6MB)
Intel Core i5 1035G1 's Advantages
Higher specification of memory (3733 vs 2400)
Larger memory bandwidth (51.2GB/s vs 37.5GB/s)
More modern manufacturing process (10nm vs 14nm)