Microsoft beefs up Surface Book with sheer performance and battery life

Microsoft just turned things to eleven for its Surface Book laptop. The revamped Surface Book i7has 2x the graphics performance of its predecessor and 3x the graphics performance of a 13-inch MacBook Pro. Microsoft also touted its battery life, which is good for up to 16 hours of video playback. With a starting price of $2,399 (for the model everyon, the Surface Book i7 is also not cheap, when it ships on Nov. 10. SEE ALSO: Cheaper VR headsets starting at $299 are coming in 2017 Microsoft: New S