Xiaomi Redmi 3X vs Xiaomi Redmi 3S vs Asus ZenFone 3 (ZE552KL) vs Lenovo Zuk Z1 comparison

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ratings
Overall NDTV Rating--Read ReviewRead Review
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--
key specs
Display5.00-inch5.00-inch5.50-inch5.50-inch
Processor1.1GHz octa-core1.1GHz octa-core2GHz octa-core2.5GHz quad-core
Front Camera5-megapixel5-megapixel8-megapixel8-megapixel
Resolution720x1280 pixels720x1280 pixels1080x1920 pixels1080x1920 pixels
RAM2GB2GB4GB3GB
OSAndroid 5.1Android 6.0.1Android 6.0Android 5.1.1
Storage32GB16GB64GB64GB
Rear Camera13-megapixel13-megapixel16-megapixel13-megapixel
Battery Capacity4100mAh4100mAh3000mAh4100mAh
general
Release dateJune 2016June 2016May 2016May 2016
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)139.70 x 69.70 x 8.50139.30 x 69.60 x 8.50152.50 x 77.30 x 7.60155.70 x 77.30 x 8.90
Weight (g)146.00144.00155.00175.00
Battery capacity (mAh)4100410030004100
Removable batteryNoNoNoNo
ColoursSilver, GoldGrey, Silver, GoldGold, Blue, Black, WhiteSpace Grey, White
SAR value---0.46
display
Screen size (inches)5.005.005.505.50
TouchscreenYesYesYesYes
Resolution720x1280 pixels720x1280 pixels1080x1920 pixels1080x1920 pixels
Pixels per inch (PPI)--480401
hardware
Processor1.1GHz octa-core1.1GHz octa-core2GHz octa-core2.5GHz quad-core
Processor makeQualcomm Snapdragon 430Qualcomm Snapdragon 430Qualcomm Snapdragon 625Qualcomm Snapdragon 801
RAM2GB2GB4GB3GB
Internal storage32GB16GB64GB64GB
Expandable storageYesYesYesNo
Expandable storage typemicroSDmicroSDmicroSD-
Expandable storage up to (GB)128128128-
camera
Rear camera13-megapixel13-megapixel16-megapixel13-megapixel
Rear flashLEDLEDDual LEDDual LED
Front camera5-megapixel5-megapixel8-megapixel8-megapixel
software
Operating systemAndroid 5.1Android 6.0.1Android 6.0Android 5.1.1
SkinMIUI 7MIUI 7ZenUI 3.0Cyanogen OS 12.1
connectivity
Wi-FiYesYesYesYes
GPSYesYesYesYes
BluetoothYesYes, v 4.10Yes, v 4.20Yes
NFCNoNoNoNo
InfraredNoYesNoNo
USB OTGNoYesYesYes
Headphones3.5mm3.5mm3.5mm3.5mm
FMYesYesYesNo
Number of SIMs2222
Wi-Fi standards supported-802.11 b/g/n802.11 a/b/g/n/ac802.11 a/b/g/n/ac
sim 1
SIM TypeMicro-SIMMicro-SIMMicro-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sensors
Compass/ MagnetometerNoYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYesYesYes
BarometerNoNoNoNo
Temperature sensorNoNoNoNo