Intel Core i3 9100 's Advantages
Released 2 years and 3 months late
Higher base frequency (3.6GHz vs 2.9GHz)
Intel Core i7 7700T 's Advantages
Better graphics card performance
Higher specification of memory (DDR4-2400 vs DDR4-2400)
Larger memory bandwidth (38.4GB/s vs 37.5GB/s)
Larger L3 cache size (8MB vs 6MB)
Lower TDP (35W vs 65W)