Microsoft Surface with Windows 8 Pro Preview(3)

One of the absolute highlights of Surface RT is the battery life: This highly mobile wonder gets about 9 hours of battery life. When Microsoft vaguely admitted that Surface Pro would only get “about half” the battery life of Surface RT, people panicked. But in real life, it’s not quite that bad. Surface Pro gets over 5 hours of battery life in real world use, not commendable in any way, but not a complete dud either.

With its nearly identical form factor, it should come as no surprise that Surface Pro works with the same Type Cover and Touch Cover keyboard covers as does Surface RT; they share the same cover port. Where the Surface RT features a single USB 2.0 port, the Surface Pro has a single USB 3.0 port, plus a second 5 watt USB port on the power supply for device charging. Both devices have micro-SD slots, and a headset jack. As noted previously, where the Surface RT uses micro-HDMI for video out, Surface Pro uses Mini DsplayPort.

Where Surface RT only supports capacitive pens, which emulate a fingertip in a smaller form factor (which does provide slight better accuracy), Surface Pro supports true electromagnetic pen/styli. Indeed, it comes with one: The bundled pen supports multiple pressures (for thicker lines), an eraser, and a right-click button. It also features a weird magnetic latch, identical to that on the end of the power adapter, so that it can connect to the exterior of the device when you’re not using it. This seems destined to be lost, but the Surface Pro wasn’t thick enough to provide the otherwise preferable internal bay for the pen.

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