
Its display makes use of multi-touch technology that can detect simultaneous inputs from up to ten fingers.

In November 2012, Lenovo announced a touch-screen variant called the ThinkPad X1 Carbon Touch designed for use with Windows 8. The X1 Carbon was first released in China due to the popularity of ThinkPads in that market. In early August 2012, Lenovo released the ThinkPad X1 Carbon as the 14-inch successor to the earlier ThinkPad X1.

Instead of previous 13-inch X Series models (X300 and X301), they have only one RAM slot and only one storage slot.

The first laptop with X1 branding was the ThinkPad X1 - the 13-inch sub-compact model, the thinnest and fastest charging business laptop at the time.
