Asus Zenfone 2, Xiaomi Mi 4i and Lenovo S60 have similar specs that compete well with other smartphones without the luxurious cost.  Which one of these three will triumph over the other?

Processor

Asus Zenfone 2 has quad-core Intel Atom, clocks at 2.3 GHz and quad-core Intel Atom, clocks at 1.8 GHz. Xiaomi Mi 4i also features a quad-core 64-bit Snapdragon 615 that clocks at 1.7 GHz while Lenovo S60 is powered by a similar quad-core 64-bit Snapdragon clocking at 1.2 GHz.  Obviously Zenfone 2 wins this part.

Operating System

Both Zenfone 2 and Mi 4i runs through Android Lollipop and Lenovo S60 has Android KitKat 4.4.

RAM and Storage

Zenfone 2 has options of 2 GB and 4 GB RAM with 16 GB, 32 GB, 64 GB eMMC Flash expandable to 64 GB and 5 GB lifetime Asus WebStorage. Xiaomi Mi 4i has 2 GB RAM and 16 GB storage. Lenovo S60 has 2 GB RAM and 8 GB storage expandable to 32 GB. When it comes to internal storage and other options, Zenfone scores over the two.

Connectivity

These smartphone are perfect for mobile surfing, thanks to their 4G capability. Bluetooth and Wifi are also present in Zenfone 2 and Lenovo.

Display

Zenfone 2 has 5.5 inches, HD IPS with Gorilla Glass 3. Xiaomi Mi 4i features 5" 1080p display, also with Gorilla Glass 3 while S60 uses 5" HD IPS display.

Camera

All three smartphone highlights a 13 MP back camera but both Zefone 2 and Mi 4i has dual flash. All of them have 5 MP front camera while Mi 4i has special features like "Beautify" and "self-timer."

Battery

Xiaomi Mi 4i leads the battery category with its 3120 mAh, followed by Zenfone 2's 3000 mAh and lastly, S60's 2150 mAh has the least battery life.

Design

Xiaomi Mi 4i has a slim and light build weighing 130 g and 7.88 mm thick. Lenovo S60 features an even lighter piece with 128 g and 7.7 mm thickness while Zenfone 2 is at the heavier end with 170 g and 10.9 mm depth.  

Overall, the scores for performance are between Xiaomi Mi 4i and Asus Zenfone 2. On the other hand,  Lenovo S60's design tops the other two. Which one would you go for?