Asus ZenFone 4 vs Asus ZenFone 3 Max (ZC520TL) vs Asus ZenFone 2 comparison

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ratings
Overall NDTV Rating--Read Review-
Design Rating---
Display Rating---
Software Rating---
Performance Rating---
Battery Life Rating---
Camera Rating---
Value for Money Rating---
key specs
Display5.50-inch5.20-inch5.50-inch-
Front Camera8-megapixel5-megapixel5-megapixel-
Resolution1080x1920 pixels720x1280 pixels1080x1920 pixels-
RAM4GB3GB4GB-
OSAndroid 7.0Android 6.0.1Android 5.0-
Storage64GB32GB32GB-
Rear Camera12-megapixel13-megapixel13-megapixel-
Battery Capacity3300mAh4100mAh3000mAh-
Processor-1.25GHz quad-core2.3GHz quad-core-
general
Release dateAugust 2017July 2016January 2015-
Form factorTouchscreenTouchscreenTouchscreen-
Dimensions (mm)155.40 x 75.20 x 7.50149.50 x 73.70 x 8.55152.50 x 77.20 x 10.90-
Weight (g)165.00148.00170.00-
Battery capacity (mAh)330041003000-
Removable batteryNoNoNo-
ColoursMoonlight White, Mint Green, Midnight BlackTitanium Grey, Glacier Silver, Sand GoldGlacier Grey, Osmium Black, Glamour Red, Ceramic White, Sheer Gold-
Alternate names--ZE551ML-
SAR value--0.35-
display
Screen size (inches)5.505.205.50-
TouchscreenYesYesYes-
Resolution1080x1920 pixels720x1280 pixels1080x1920 pixels-
Pixels per inch (PPI)--403-
hardware
Processor makeQualcomm Snapdragon 630MediaTek MT6737TIntel Atom Z3580-
RAM4GB3GB4GB-
Internal storage64GB32GB32GB-
Expandable storageYesYesYes-
Expandable storage typemicroSDmicroSDmicroSD-
Expandable storage up to (GB)2003264-
Processor-1.25GHz quad-core2.3GHz quad-core-
camera
Rear camera12-megapixel13-megapixel13-megapixel-
Rear flashLEDLEDDual LED-
Front camera8-megapixel5-megapixel5-megapixel-
software
Operating systemAndroid 7.0Android 6.0.1Android 5.0-
SkinZenUI 4.0ZenUI 3.0ZenUI-
connectivity
Wi-FiYesYesYes-
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 b/g/n802.11 a/b/g/n/ac-
GPSYesYesYes-
BluetoothYes, v 5.00Yes, v 4.00Yes, v 4.00-
NFCYesNoYes-
InfraredNoNoNo-
USB OTGNoNoNo-
HeadphonesYes3.5mm3.5mm-
FMYesYesYes-
Number of SIMs222-
sim 1
SIM TypeNano-SIMMicro-SIMMicro-SIM-
GSM/CDMAGSMGSMGSM-
3GYesYesYes-
4G/ LTEYesYesYes-
sim 2
SIM TypeNano-SIMNano-SIMMicro-SIM-
GSM/CDMAGSMGSMGSM-
3GYesYesNo-
4G/ LTEYesYesNo-
sensors
Compass/ MagnetometerYesNoYes-
Proximity sensorYesYesYes-
AccelerometerYesYesYes-
Ambient light sensorYesYesYes-
GyroscopeYesYesYes-
BarometerNoNoNo-
Temperature sensorNoNoNo-