Asus has also revealed the China pricing for the three smartphones on its Sina Weibo account, which works out to roughly $100 (or Rs. 6,100) for the ZenFone 4, roughly $150 (or Rs. 9,100) for the ZenFone 5, and roughly $200 (or Rs. 12,150) for the ZenFone 6.
All three ZenFone smartphones run on Android 4.3, and Asus has promised an Android 4.4 KitKat update for all the smartphones.
The Asus ZenFone 4 sports a 4-inch WVGA (800 x 480 pixel) resolution display supported by a dual-core 1.2GHz Intel Atom Z2520 processor with Quad-Thread Hyper-Threading Technology and 1GB of RAM. The smartphone also features a 5-megapixel rear and 0.3-megapixel front-facing camera optics. The internal storage is 4GB and can be expanded up to 64GB via microSD card.
The Asus ZenFone 4 comes with 1170mAh battery capacity and has dimensions of 124.4x61.4x11.2-6.3mm. The smartphone comes in 5 colour variants - Charcoal Black, Pearl White, Cherry Red, Sky Blue and Solar Yellow.
Asus ZenFone 5 features a 5-inch 720p IPS display and is supported by a slightly better processor - dual-core 2GHz Intel Atom Z2580 with Quad-Thread Hyper-Threading technology and 1GB of RAM. It sports an 8-megapixel rear camera and a 2-megapixel front facing camera. The 8GB internal storage on handset is also expandable to 64GB via microSD card.
The ZenFone 5 packs a 2050mAh battery and it measures 148.2 x 72.8 x 10.3-5.5mm. The smartphone comes in Charcoal Black, Pearl White, Cherry Red, and Champagne Gold.
Asus ZenFone 6 sports the similar Android Jelly Bean OS and a similar IPS display of 720p resolution but on a 6-inch screen. While the processor and RAM are similar to that of ZenFone 5, the rear camera sensor size is bigger 13-megapixel and a similar 2 megapixels front-facing camera.Asus ZenFone 6 includes a 3230mAh battery capacity and is bigger in size than ZenFone 4 and ZenFone 5 at 166.9 x 84.3 x 9.9-5.5mm. It comes in Charcoal Black, Pearl White, Cherry Red, and Champagne Gold.