The Asus ZenFone 3 is the most basic model of the three. It has an aluminum frame body with 2.5D Corning Gorilla Glass on the front and back. On the front is a 5.5-inch 1080p Super IPS+ display with up to 500 nits brightness and 77.3% screen to body ratio.
The Zenfone 3 also has a 16 megapixel camera on the back with ASUS TriTech autofocus that combines second generation laser autofocus, phase detection autofocus and contrast detection autofocus to achieve focus in 0.03 seconds.
The handset runs on Qualcomm Snapdragon 625 and has up to 4GB of RAM. There is also a fingerprint sensor on the back.
The ZenFone 3 Deluxe is the flagship model. It has a full metal body with no visible antenna lines and 4.2mm edges. It is built around a 5.7-inch Super AMOLED display with over 100% NTSC color gamut and 79% screen to body ratio.
The phone runs on the new Qualcomm Snapdragon 820 with up to 6GB of RAM. On the back is a 23 megapixel Sony IMX318 camera with f2.0 aperture, 4-axis optical image stabilization, and 4K video with the same TriTech autofocus system as on the ZenFone 3.
The ZenFone 3 Deluxe uses a USB Type-C connector with USB 3.0 and Qualcomm Quick Charge 3.0 support. The phone also has a fingerprint sensor on the back. Lastly, there is also a single five-magnet speaker and Hi-Res Audio support.
Finally, there is the ZenFone 3 Ultra. It has a massive 6.8-inch 1080p display with 95% NTSC color gamut support, 79% screen to body ratio, and what ASUS calls Tru2Life+ Video technology that uses a high-end 4K UHD TV-grade image processor. The ZenFone 3 also has two five-magnet speakers, Hi-Res Audio support, and also the first phone to have virtual 7.1 channel surround sound with DTS Headphone: X.
On the back is the same 23 megapixel camera as on the ZenFone 3 Deluxe. The phablet is powered by the Qualcomm Snapdragon 652 with up to 4GB of RAM, and a 4600mAh battery with Quick Charge 3.0 support.
The Zenfone 3 Deluxe can also charge other devices with a 1.5A output. Lastly, there is a fingerprint sensor on the front of the device. All packed in a full metal body with no visible antenna lines.
Prices start at $249 for the ZenFone 3, $499 for the ZenFone 3 Deluxe, and $479 for the ZenFone 3 Ultra.