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Oppo A7 vs Xiaomi Redmi S2 comparison

 Compare Oppo A7
Oppo A7
Compare Xiaomi Redmi S2
Xiaomi Redmi S2
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.20-inch5.99-inch
Front Camera16-megapixel16-megapixel
Rear Camera13-megapixel + 2-megapixel 12-megapixel
RAM4GB3GB
Storage64GB32GB
Battery Capacity4230mAh3080mAh
OSAndroid 8.1Android 8.1 Oreo
Processor-Qualcomm Snapdragon 625
Resolution-720x1440 pixels
general
BrandOppoXiaomi
ModelA7Redmi S2
Release dateNovember 1, 2018May 1, 2018
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Body typePlastic-
Dimensions (mm)155.90 x 75.40 x 8.10160.73 x 77.26 x 8.10
Weight (g)168.00170.00
Battery capacity (mAh)42303080
Removable batteryNoNo
ColoursGlaring Gold, Glaze BlueBlack, Rose Gold, Gold, White, Blue, Red, Pink, Gray, Silver
SAR value1.37-
display
Screen size (inches)6.205.99
TouchscreenYesYes
Aspect ratio19.5:9-
Resolution-720x1440 pixels
hardware
Processor makeQualcomm Snapdragon 450Qualcomm Snapdragon 625
RAM4GB3GB
Internal storage64GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
Dedicated microSD slotYes-
Processor-2GHz octa-core
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)12-megapixel
Rear autofocusYes-
Rear flashYesLED
Front camera16-megapixel16-megapixel
Front autofocusNo-
Front flashNoYes
software
Operating systemAndroid 8.1Android 8.1 Oreo
SkinColorOS 5.2MIUI 9
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n802.11 b/g/n
GPSYesYes
BluetoothYes, v 4.20Yes, v 4.20
USB OTGYes-
Micro-USBYes-
Headphones3.5mm-
FMYes-
Number of SIMs22
Active 4G on both SIM cardsYes-
Infrared-Yes
sim 1
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
SIM Type-Nano-SIM
sim 2
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
SIM Type-Nano-SIM
sensors
Face unlockYes-
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes

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