With 4K content on the rise, Lenovo has taken the wraps off two new 4K monitors at CES 2014 in Las Vegas - with one having Android built-in.

The ThinkVision Pro2840m is the basic of the two. It will be available in April 2014 for $799 (£487), carrying 28 inches of 4K greatness for users looking for plenty of screen real estate. It boasts a 3840 x 2160 resolution, touch sensitive buttons, dual speakers, and a full function stand that allows tilt, swivel and rotation.

The ThinkVision 28 is more than most computer monitors. It also boasts a 28-inch "ultra-high resolution" 4K display carrying a 3840 x 2160 resolution. However, it features an Android KitKat interface for entertainment, with on demand content that can be streamed through the monitor. It's Nvidia Tegra-powered with 10-point multi-touch technology.

At this rate - it's not even a monitor, more of an all-in-one Android computer. A DisplayPort, Ethernet, and three HDMI ports are found too, with two 5-watt speakers, two noise canceling microphones, and a front-facing 2-megapixel camera within.

The ThinkVision 28 will be available in select markets in July 2014 and is expected to start at approximately $1,199 (£730), according to Lenovo.