Difference between Intel Core i3, i5 and i7
To conclude in a statement, Core i7s are better than Core i5s, and Core i5s are better than Core i3s. The main reason here being performance. In general, Core i3 chips are found in budget PCs and low-end laptops. For a normal user who does browsing and watching videos, Core i3 works just fine. Core i3s have a low Cache size.
The mainstream or mid-range systems usually have i5. Systems with Core i5 are good for a moderate user and light gamer.
