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--
Battery Life Rating--
Camera Rating--
Value for money 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 ValueNA0.560.36NA
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-core800MHz 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
FlashYesYesYesYes
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/nNA
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