Simplify the following text for a Grade 7 native English-speaking person.
Original: Intel HD Graphics 3000 come integrated with the CPU , while the 15 - and 17-inch models also utilize discrete graphics cards from AMD , the Radeon HD 6490M and Radeon HD 6750M models .
Simplified: ; Graphics The GPU is part of the CPU and is called Intel HD Graphics 3000 . The 15 '' and 17 '' models also have either a separate AMD Radeon HD 6490M or AMD Radeon HD 6750M .