Lenovo Vibe B vs Vivo Y25 vs Samsung Galaxy S8 vs Nokia E1 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 date-March 2017March 2017-
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)132.50 x 66.00 x 9.90130.70 x 66.40 x 9.20148.90 x 68.10 x 8.00-
Weight (g)144.00-155.00-
Battery capacity (mAh)200019003000-
Removable batteryNoNoNoNo
ColoursMatte Black, Matte White-Midnight Black, Orchid Gray, Arctic Silver, Coral Blue, Maple Gold-
SAR ValueNANANANA
Display
Screen size (inches)4.504.505.805.20
TouchscreenYesYesYesYes
Resolution480x854 pixels480x854 pixels1440x2960 pixels720x1280 pixels
Pixels per inch (PPI)--570-
Hardware
Processor1GHz quad-core1.3GHz quad-core1.9GHz octa-core1.4GHz
Processor make-MTK6580Samsung Exynos 8895Qualcomm Snapdragon 425
RAM1GB1GB4GB2GB
Internal storage8GB16GB64GB-
Expandable storageYesYesYesNo
Expandable storage typemicroSDmicroSDmicroSD-
Expandable storage up to (GB)32128256-
Camera
Rear camera5-megapixel5-megapixel12-megapixel13-megapixel
FlashYesYesYesNo
Front camera2-megapixel2-megapixel8-megapixel5-megapixel
Software
Operating SystemAndroid 6.0Android 5.1Android 7.0Android 7.0
Skin-Funtouch OS 2.1--
Connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 b/g/nNA802.11 a/b/g/n/acNA
GPSYesYesYesYes
BluetoothYes, v 3.00YesYesYes
NFCNoNoYesNo
InfraredNoNoNoNo
Headphones3.5mm3.5mm3.5mm3.5mm
FMYesNoNoNo
Number of SIMs2111
SIM1
SIM TypeMicro-SIM---
GSM/CDMAGSMGSMGSMGSM
3GNoYesYesNo
4G/LTENoYesYesNo
SIM2
SIM TypeMicro-SIM---
GSM/CDMAGSM---
3GNo---
4G/LTENo---
Sensors
Compass/ MagnetometerNoNoYesNo
Proximity sensorNoYesYesNo
AccelerometerYesYesYesNo
Ambient light sensorNoYesYesNo
GyroscopeNoNoYesNo
BarometerNoNoNoNo
Temperature sensorNoNoNoNo