Intel Core i5 8250U's Advantages
Released 2 years and 5 months late
Higher specification of memory (DDR4-2400 vs DDR3-1600)
Larger memory bandwidth (37.5GB/s vs 25.6GB/s)
Larger L3 cache size (6MB vs 3MB)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (15W vs 54W)
Intel Core i3 4170's Advantages
Higher base frequency (3.7GHz vs 1.6GHz)