Intel Core i3 4170 's Advantages
Lower TDP (54W vs 91W)
Intel Core i7 7700K 's Advantages
Released 1 years and 10 months late
Higher specification of memory (2400 vs 1600)
Larger memory bandwidth (35.76GB/s vs 25.6GB/s)
Higher base frequency (4.2GHz vs 3.7GHz)
Larger L3 cache size (8MB vs 3MB)
More modern manufacturing process (14nm vs 22nm)