Offers more powerful performance, brings you more smooth and wonderful user experience. Ultra-low-voltage platform and Quad Core processing provide maximum high-efficiency power. The dedicated graphics with shared video memory provide high image quality for Internet use, basic photo editing and casual gaming. Offers good experience for watching videos and browsing the Web. Substantial high-bandwidth RAM to smoothly run your games, photos and video-editing applications. the three version is same. Provides room to store pictures, videos, music and more.