If you are wondering about the difference between Surface Pro 3 versus Surface Pro 4, the difference is in what's inside. The lead engineer behind Surface Pro 4, Dave Mitchell, shares the details behind performance design enhancements and available processor configurations for this major new edition to the Surface family. He also reviews the best-in class screen; Windows 10 optimizations, and improvements made to the type cover and pen. Continue watching, check out these other Microsoft Mechanics shows on Surface Tour of the New Microsoft Surface DockSimplifying Surface imaging with the Surface Deployment AcceleratorTroubleshooting Surface power management during modern standbyUnderstanding Surface Power Management with Modern Standby in Windows 10Migrating your Surface to Windows 10, with Windows in-place upgradeHow to manage and update your drivers and firmware for Surface