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HP Elite x2

One of the strongest challenges to date to the 2-in-1 dominance of the Surface Pro 4 is this convertible tablet from Hewlett-Packard. The 12-inch Elite x2 has similar portability to the Surface Pro 4 but also boasts a number of differences that highly mobile professionals should appreciate, such as serious durability (a Corning Gorilla Glass 4 screen) and a heavy-duty aluminum keyboard (that magnetically attaches and detaches from the tablet). The $899 starting price of the Elite x2 (with Intel Core m3 processor, 4 GB memory, 128 GB storage) is $130 below that of the Surface Pro 4 that has a keyboard.