More than meets the eye. The newest Android operating system and strong Qualcomm SoC provide the Nexus 5X with what it needs for a good performance. The dimensions will also likely appeal to friends of smaller-sized handsets. They have been reduced considerably compared with last year's Google Nexus 6.
http://www.notebookcheck.net/Google-Nexus-5X-Smartphone-Review.155885.0.html