Intel Core i5 7400's Advantages
Released 1 years and 10 months late
Higher specification of memory (DDR4-2400 vs DDR3-1600)
Larger memory bandwidth (35.76GB/s vs 25.6GB/s)
Larger L3 cache size (6MB vs 3MB)
More modern manufacturing process (14nm vs 22nm)
Intel Core i3 4170's Advantages
Higher base frequency (3.7GHz vs 3.0GHz)
Lower TDP (54W vs 65W)