Intel Core i3 4170 's Advantages
Integrated graphics card
Higher base frequency (3.7GHz vs 3.5GHz)
Lower TDP (54W vs 165W)
Intel Core i9 9900X 's Advantages
Released 3 years and 7 months late
Higher specification of memory (2666 vs 1600)
Larger memory bandwidth (85GB/s vs 25.6GB/s)
Larger L3 cache size (20MB vs 3MB)
More modern manufacturing process (14nm vs 22nm)