Intel Core i3 4170 's Advantages
Higher base frequency (3.7GHz vs 1.7GHz)
Intel Core i5 8400T 's Advantages
Released 3 years and 1 months late
Higher specification of memory (2666 vs 1600)
Larger memory bandwidth (41.6GB/s vs 25.6GB/s)
Larger L3 cache size (9MB vs 3MB)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (35W vs 54W)