Since the iPad Pro rumors have started to come up again, it was only a matter of time till rivalling 12 inch models came pouring in. Samsung and Sony don’t seem to be making moves in this area, but Microsoft sure is.

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Ibtimes claims that the Surface Pro 4 will be launched in two sizes and collects a batch of rumors about the product. It would appear that both new models will come preloaded with Windows 10 and one of the slates will offer a 12 inch screen and a 2160 x 1440 pixel resolution. The other one with the Surface Pro Mini tablet. Meanwhile, a Chinese source claims that the larger unit will even go as high as 14 inches in diagonal.

Traditionally Surfaces have been 10+ inch devices, but more closer to 12 inches than 14 inches. Under the hood we may see Intel Core M processors, known for their efficient power management, which finally means better battery for the Surface. Surface Pro Mini is said to pack an 8 inch screen, a stylus, a certain Windows 8.1 RT, which is odd and some of the specs of the bigger unit.