Question: what is the difference between i3 i5 and i7 laptops?
Answer: Core i3, Core i5, Core i7 — the difference in a nutshell Generally speaking, Core i7s are better than Core i5s, which are in turn better than Core i3s. Core i7 does not have seven cores nor does Core i3 have three cores. The numbers are simply indicative of their relative processing powers.