Asus Zenfone 4 (2014 official Pictures. Asus Zenfone 4 (2014 is a Smartphone of asus. The Asus Zenfone 4 (2014) Android Smartphone. Announced Jan 2014. Features 4.0″ Display, Intel Atom Z2520 Chipset, 5 MP Primary Camera, 1600 MAh Battery, 8 GB Storage, 1000 MB RAM, Corning Gorilla Glass 3. Asus Zenfone 4 (2014 price starts.