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 (LPDDR4-3733 vs DDR4-2400)
Larger memory bandwidth (51.2GB/s vs 37.5GB/s)
More modern manufacturing process (10nm vs 14nm)