1. Home Basic is cheaper than Home Premium.

2. Home Premium is being sold worldwide, while Home Basic is sold only in certain areas.

3. Home Premium has full Aero support, while Home basic only has partial support.

4. Home Premium is able to create and join a home network, while Home Basic is only capable of joining.

5. Home Premium is already equipped with the Windows Media Center, while the Home Basic is not.


sources : Difference Between Windows 7 Home Basic & Home Premium