The Nexus 5X is Google's new mid-range contender, designed alongside the Nexus 6P to be the company's poster boy for Android 6.0 ?Marshmallow?. A true successor to the Nexus 5, the 5X includes a modest yet decent array of hardware starting at $379 for the 16 GB model, including a 5.2-inch display, Snapdragon 808 SoC, 2GB of RAM and a large-pixel 12.3MP Sony camera sensor.