Intel Core i3 4170 's Advantages
Lower TDP (54W vs 95W)
Intel Core i7 8086K 's Advantages
Released 3 years and 3 months late
Higher specification of memory (DDR4-2666 vs DDR3-1600)
Larger memory bandwidth (41.6GB/s vs 25.6GB/s)
Higher base frequency (4.0GHz vs 3.7GHz)
Larger L3 cache size (12MB vs 3MB)
More modern manufacturing process (14nm vs 22nm)