Intel Core i5 5200U 's Advantages
Higher specification of memory (DDR3L-1600 vs DDR3-1600)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (15W vs 54W)
Intel Core i3 4170 's Advantages
Newer PCIe version (3.0 vs 2.0)
Higher base frequency (3.7GHz vs 2.2GHz)