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Xiaomi Redmi S2 vs Oppo A83 vs Vivo V7 comparison

 Compare Xiaomi Redmi S2
Xiaomi Redmi S2
Compare Oppo A83
Oppo A83
Compare Vivo V7
Vivo V7
key specs
Display5.99-inch5.70-inch5.70-inch
ProcessorQualcomm Snapdragon 625MediaTek MT6737TQualcomm Snapdragon 450
Front Camera16-megapixel8-megapixel24-megapixel
Rear Camera12-megapixel13-megapixel16-megapixel
RAM3GB3GB4GB
Storage32GB32GB32GB
Battery Capacity3080mAh3180mAh3000mAh
OSAndroid 8.1 OreoAndroid 7.1Android 7.1.2
Resolution720x1440 pixels720x1440 pixels720x1440 pixels
general
BrandXiaomiOppoVivo
ModelRedmi S2A83V7
Release dateMay 1, 2018December 1, 2017November 1, 2017
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)160.73 x 77.26 x 8.10150.50 x 73.10 x 7.70149.30 x 72.80 x 7.90
Weight (g)170.00143.00139.00
Battery capacity (mAh)308031803000
Removable batteryNo-No
ColoursBlack, Rose Gold, Gold, White, Blue, Red, Pink, Gray, SilverChampagne, BlackChampagne Gold, Matte Black
Launched in India--Yes
SAR value--0.94
display
Screen size (inches)5.995.705.70
TouchscreenYesYesYes
Resolution720x1440 pixels720x1440 pixels720x1440 pixels
Aspect ratio-18:918:9
Pixels per inch (PPI)--282
hardware
Processor2GHz octa-core2.5GHz octa-core1.8GHz octa-core
Processor makeQualcomm Snapdragon 625MediaTek MT6737TQualcomm Snapdragon 450
RAM3GB3GB4GB
Internal storage32GB32GB32GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256256256
camera
Rear camera12-megapixel13-megapixel16-megapixel (f/2.0, 1.0-micron)
Rear flashLEDLEDLED
Front camera16-megapixel8-megapixel24-megapixel (f/2.0)
Front flashYes-Yes
Rear autofocus--Phase detection autofocus
software
Operating systemAndroid 8.1 OreoAndroid 7.1Android 7.1.2
SkinMIUI 9ColorOS 3.2Funtouch OS 3.2
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n802.11 b/g/n
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 4.20
InfraredYesNoNo
Number of SIMs222
NFC-NoNo
USB OTG-YesYes
Micro-USB-YesYes
Headphones-3.5mm3.5mm
FM-YesYes
Wi-Fi Direct--No
Mobile High-Definition Link (MHL)--No
sim 1
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sensors
Compass/ MagnetometerYes-Yes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
GyroscopeYes-Yes
Face unlock-Yes-
Fingerprint sensor--Yes
Barometer--No
Temperature sensor--No
ratings
Overall NDTV Rating-Read ReviewRead Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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