Samsung Galaxy S7 Active vs Samsung Galaxy A3 (2016) vs Samsung Galaxy S6 comparison

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Ratings
Overall NDTV Rating---
Design Rating---
Display Rating---
Software Rating---
Performance Rating---
Camera Rating---
General
Release dateJune 2016December 2015March 2015-
Form factorTouchscreenTouchscreenTouchscreen-
Dimensions (mm)-134.50 x 65.20 x 7.30143.40 x 70.50 x 6.80-
Weight (g)-132.00138.00-
Battery capacity (mAh)400023002550-
Removable batteryNoNoNo-
ColoursCamo Green, Titanium GreyGold, Pink, White, Black--
Display
Screen size (inches)5.104.705.10-
TouchscreenYesYesYes-
Resolution1440x2560 pixels720x1280 pixels1440x2560 pixels-
Pixels per inch (PPI)--577-
Hardware
Processorquad-core1.5GHz quad-core1.5GHz octa-core-
Processor makeQualcomm Snapdragon 820-Samsung Exynos 7420-
RAM4GB1.5GB3GB-
Internal storage32GB16GB32GB-
Expandable storageYesYesNo-
Expandable storage typemicroSDmicroSD--
Expandable storage up to (GB)200128--
Camera
Rear camera12-megapixel13-megapixel16-megapixel-
Front camera5-megapixel5-megapixel5-megapixel-
Software
Operating SystemAndroid 6.0Android 5.1Android 5.0-
Skin--TouchWiz-
Connectivity
Wi-FiYesYesYes-
Wi-Fi standards supported-802.11 a/b/g/n802.11 a/b/g/n/ac-
GPSYesYesYes-
BluetoothYesYes, v 4.10Yes, v 4.10-
NFCYesYesYes-
InfraredNoNoYes-
Headphones3.5mm3.5mm3.5mm-
FMYesYesNo-
Number of SIMs111-
SIM1
SIM TypeMicro-SIMRegularNano-SIM-
GSM/CDMAGSMGSMGSM-
3GYesYesYes-
4G/LTEYesYesYes-
Sensors
Compass/ MagnetometerNoYesYes-
Proximity sensorYesYesYes-
AccelerometerYesYesYes-
Ambient light sensorYesYesYes-
GyroscopeYesNoYes-
BarometerNoNoYes-
Temperature sensorNoNoNo-