Samsung Galaxy S8 vs Samsung Galaxy S7 vs Samsung Galaxy S6 Active vs Microsoft Lumia 640 XL LTE comparison

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ratings
Overall NDTV RatingRead ReviewRead Review--
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--
key specs
Display5.80-inch5.10-inch5.10-inch5.70-inch
Processorocta-core 1.6GHz octa-core1.5GHz octa-core1.2GHz quad-core
Front Camera8-megapixel 5-megapixel5-megapixel5-megapixel
Resolution1440x2960 pixels1440x2560 pixels1440x2560 pixels720x1280 pixels
RAM4GB4GB3GB1GB
OSAndroid 7.0Android 6.0Android 5.0.2Windows Phone 8.1
Storage64GB32GB32GB8GB
Rear Camera12-megapixel 12-megapixel16-megapixel13-megapixel
Battery Capacity3000mAh3000mAh3500mAh3120mAh
general
Release dateMarch 2017February 2016June 2015March 2015
Launched in IndiaYes---
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)148.90 x 68.10 x 8.00142.40 x 69.60 x 7.90-157.90 x 81.50 x 9.00
Weight (g)155.00152.00-171.00
Battery capacity (mAh)3000300035003120
Removable batteryNoNoNoYes
Fast chargingQuick Charge 2.0---
ColoursMidnight Black, Orchid Gray, Arctic Silver, Coral Blue, Maple Gold-Camo White, Camo Blue-
display
Screen size (inches)5.805.105.105.70
TouchscreenYesYesYesYes
Resolution1440x2960 pixels1440x2560 pixels1440x2560 pixels720x1280 pixels
Protection typeGorilla Glass---
Aspect ratio18.5:9---
Pixels per inch (PPI)570577577259
hardware
Processorocta-core (4x2.35GHz + 4x1.9GHz)1.6GHz octa-core1.5GHz octa-core1.2GHz quad-core
Processor makeSamsung Exynos 8895-Samsung Exynos 7420Qualcomm Snapdragon 400
RAM4GB4GB3GB1GB
Internal storage64GB32GB32GB8GB
Expandable storageYesYesNoYes
Expandable storage typemicroSDmicroSD-microSD
Expandable storage up to (GB)256200-128
camera
Rear camera12-megapixel (f/1.7, 1.4-micron)12-megapixel16-megapixel13-megapixel
Rear autofocusPhase detection autofocus---
Rear flashDual LEDYesLEDLED
Front camera8-megapixel (f/1.7, 1.22-micron)5-megapixel5-megapixel5-megapixel
Front autofocusYes---
software
Operating systemAndroid 7.0Android 6.0Android 5.0.2Windows Phone 8.1
Skin--TouchWiz UI-
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 b/g/n802.11 b/g/n
GPSYesYesYesYes
BluetoothYesYes, v 4.20Yes, v 4.10Yes, v 4.00
NFCYesYesNoYes
InfraredNoNoNoNo
USB OTGNoYesNoNo
USB Type-CYes---
Headphones3.5mm3.5mm3.5mm3.5mm
FMNoNoNoYes
Number of SIMs1211
sim 1
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
SIM Type--RegularMicro-SIM
sensors
Fingerprint sensorYes---
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYesYesNo
BarometerYesYesNoNo
Temperature sensorNoNoNoNo
sim 2
GSM/CDMA-GSM--
3G-Yes--
4G/ LTE-Yes--