Intel Core i7 8665U 's Advantages
Higher base frequency (1.9GHz vs 1.1GHz)
Larger L3 cache size (8MB vs 4MB)
Intel Core i3 1000NG4 's Advantages
Released 11 months late
Higher specification of memory (LPDDR4-3733 vs DDR4-2400)
Larger memory bandwidth (58.3GB/s vs 37.5GB/s)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (9W vs 15W)