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The release of the Surface Book came as a big surprise to us, because this isn’t a tablet which can be transformed into a laptop, by attaching a keyboard, but it’s a laptop with a detachable keyboard. But is it as powerful as the Surface Pro 4? Here’s a comparison between the two products.

Designs and Displays

The Surface Book is not a typical laptop, but its design was inspired from Microsoft’s 2-in-1 convertible tablets, but the manufacturer managed to find a balance between the tablet portion and the keyboard, so they have similar weights. And the two bodies are attached using the special hinge on the keyboard, which has some wire locks. Their role is to connect the keyboard to the tablet portion. It’s interesting that the device, as a laptop, can last up to 12 hours, but that’s because the keyboard has its own battery and Microsoft integrated Nvidia GeForce graphics in the keyboard dock. As for the screen, it measures 13.5-inch and supports a resolution of 3000×2000 pixels at 267ppi.

The Surface Pro 4 has an almost bezel-less display which measures 12.3-inch, but the size of the screen can be changed thanks to this new technology which is similar to the one that was used for Dell XPS 13’s screen. This means that in laptop mode, the screen measures 13-inch, while in tablet mode, it’s reduced to 12-inch. But the resolution is 2736×1824 pixels at 267ppi. Regarding the design, the Surface Pro 4 has the same magnesium aluminum chassis, but it’s thinner than the predecessor and the Type Cover has redesigned keys and it includes a fingerprint sensor.


Both devices are using the latest Intel Core Skylake dual-core processors and have in common a variant which uses the i5-6300U CPU clocked at 2.4GHz, whose speed can be increased up to 3GHz and it’s backed by Intel HD graphics 520. The Surface Book has another variant with an i7-6600U processor clocked at 2.6GHz, but it can be boosted up to 3.4GHz and it supports the same graphics. Microsoft provides memory options of 8 or 16GB LPDDR 3 RAM and the storage variants are 128GB, 256GB, 512GB, 1TB, depending on the configuration.

The Surface Pro comes with two more variants of internal configurations: the weaker m3-6Y30 clocked at 900MHz and which can be increased up to 2.2GHz, using Intel HD graphics 515, while the other model has an i7-6650U processor clocked at 2.2GHz, but its speed can be increased also up to 3.4GHz. However, this variant uses more advanced Intel Iris 540 graphics. The tablet has three RAM options: 4GB, 8GB and 16GB and the internal memory has variants of 128GB, 256GB, 512GB or 1TB.


The Surface Book costs between $1,499 and $3,199, while the Surface Pro 4 costs between $899 and $1,799, but you’ll need to pay $130 for the Type Cover.