There's no such thing as an Intel HD 4440, there's the common 4000 and 4400, and the less common 4200 and 4600. There are no other entries in the 4xxx series of

There's no such thing as an Intel HD 4440, there's the common 4000 and 4400, and the less common 4200 and 4600. There are no other entries in the 4xxx series of Intel HD as far as I know. So likely, your brother has a 4400.