

The chassis is 0.03 inches (0.76 mm) thinner and 0.03 pounds (14 g) lighter than the Surface Pro 3.

The screen resolution is also greater than the Surface Pro 3's, at 2736x1824 at 267 PPI, with the same aspect ratio of 3:2 and 10-point multi-touch.

The Surface Pro 4 is the same size as the Surface Pro 3, but has a thinner screen bezel which allows for a display of a slightly greater size of 12.3 inches (31 cm). Microsoft subsequently developed a fix that was made available on February 17, 2016. The device initially exhibited failure to sleep properly, which drained the battery very quickly. Both devices were available for pre-order the following day and available for customers beginning on October 26, 2015. The Surface Pro 4 was announced on Octoalongside the Surface Book. The Surface Laptop 4 is a separate line of Surface devices from Microsoft, released in April, 2021. The device's successor, the 2017 Surface Pro, was announced in May 2017, ahead of a release the following month. At the same time, the device is compatible with most of its predecessor's accessories. The Surface Pro 4 is an update over its predecessor, featuring Skylake CPUs, more RAM and SSD options and a 12.3-inch display with a greater resolution. and Canada, the Surface Pro 4 was released on October 26, 2015. The Surface Pro 4 was announced on Octo alongside the Surface Book. The Surface Pro 4 is the fourth-generation Surface-series 2-in-1 detachable, designed, developed, marketed, and produced by Microsoft.
