Relevant video: https://vimeo.com/134128443
e.g. http://www.dx.com/p/xiaomi-4-quad-core-android-4-4-3-bar-pho... which can be compared against the OnePlus 2 here: http://tech.firstpost.com/news-analysis/xiaomi-mi-5-needs-to... (headline says mi5, scroll down)