The upcoming vivo X20 will be powered by a Snapdragon 660 chipset and offer facial recognition that will be able to unlock the device within 0.1s. vivo itself confirmed the Face Wake (as it calls it) feature officially through a teaser on its Weibo account while the chipset comes by way of a leaked image showing the phone in the wild. vivo X20 Face Unlock and Snapdragon 660 This clears the air as to the differences between the vivo V7+, which was officially announced yesterday, and the X20. The V7+ uses a Snapdragon 450 chipset with 4GB of RAM (or 3GB depending on the model)...
Source: http://www.gsmarena.com/vivo_x20_will_use_a_snapdragon_660_and_feature_01s_face_unlock-news-27178.php
