Lenovo K5 Note vs Xiaomi Redmi Note 3 vs Asus ZenFone 2 Laser (ZE550KL) vs Apple iPhone 4S comparison

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Ratings
Overall NDTV Rating--
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Camera Rating--
General
Release dateJanuary 2016November 2015August 2015October 2011
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)152.00 x 75.70 x 8.49150.00 x 76.00 x 8.65152.50 x 77.20 x 10.80115.20 x 58.66 x 9.30
Weight (g)152.00164.00170.00140.00
Battery capacity (mAh)3500405030001430
Removable batteryNoNoYesNo
ColoursSilverGold, Silver, Dark GreyCharcoal Black, Ceramic White and Glamour RedBlack, White
SAR Value-0.560.36-
Display
Screen size (inches)5.505.505.503.50
TouchscreenYesYesYesYes
Resolution1080x1920 pixels1080x1920 pixels720x1280 pixels640x960 pixels
Pixels per inch (PPI)-403267326
Hardware
Processor1.8GHz octa-core1.4GHz hexa-core1.2GHz quad-core800 MHz dual-core
Processor makeMediaTek Helio P10Qualcomm Snapdragon 650Qualcomm Snapdragon 410-
RAM2GB2GB2GB512MB
Internal storage16GB16GB16GB16GB
Expandable storageYesYesYesNo
Expandable storage typemicroSDmicroSDmicroSD-
Expandable storage up to (GB)128128128-
Camera
Rear camera13-megapixel16-megapixel13-megapixel8-megapixel
Front camera8-megapixel5-megapixel5-megapixel0.3-megapixel
Software
Operating SystemAndroid 5.1Android 5.1Android 5.0iOS 6.1.3
SkinVibe UIMIUI 7ZenUI-
Connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 b/g/n-
GPSYesYesYesYes
BluetoothYes, v 4.00Yes, v 4.10Yes, v 4.00Yes, v 4.00
NFCNoNoNoNo
InfraredNoYesNoNo
Headphones3.5mm3.5mm3.5mm-
FMYesYesYesNo
Number of SIMs2221
SIM1
SIM TypeNano-SIMNano-SIMMicro-SIMMicro-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/LTEYesYesYesNo
SIM2
SIM TypeNano-SIMNano-SIMMicro-SIM-
GSM/CDMAGSMGSMGSM-
3GYesYesYes-
4G/LTEYesYesYes-
Sensors
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYesYesYes
BarometerNoNoNoNo
Temperature sensorNoNoNoNo