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