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Oppo A57 vs Xiaomi Redmi 4A comparison

 Compare Oppo A57
Oppo A57
Compare Xiaomi Redmi 4A
Xiaomi Redmi 4A
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
Display5.20-inch5.00-inch
ProcessorQualcomm Snapdragon 435Qualcomm Snapdragon 425
Front Camera16-megapixel 5-megapixel
Rear Camera13-megapixel 13-megapixel
RAM3GB2GB
Storage32GB16GB
Battery Capacity2900mAh3120mAh
OSAndroid 6.0Android 6.0
Resolution720x1280 pixels720x1280 pixels
general
BrandOppoXiaomi
ModelA57Redmi 4A
Release dateNovember 1, 2016November 1, 2016
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)149.10 x 72.90 x 7.65139.50 x 70.40 x 8.50
Weight (g)147.00131.50
Battery capacity (mAh)29003120
Removable batteryNoNo
ColoursRose Gold, GoldGolden, Rose Gold, Dark Grey
SAR value1.31-
display
Screen size (inches)5.205.00
TouchscreenYesYes
Resolution720x1280 pixels720x1280 pixels
Aspect ratio16:916:9
Pixels per inch (PPI)-296
hardware
Processor1.4GHz octa-core1.4GHz quad-core
Processor makeQualcomm Snapdragon 435Qualcomm Snapdragon 425
RAM3GB2GB
Internal storage32GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256128
camera
Rear camera13-megapixel (f/2.2)13-megapixel (f/2.2)
Rear autofocusPhase detection autofocus-
Rear flashLEDDual LED
Front camera16-megapixel (f/2.0, 1.12-micron)5-megapixel (f/2.2)
Front autofocusYes-
software
Operating systemAndroid 6.0Android 6.0
SkinColorOS 3.0MIUI 8
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n
GPSYesYes
BluetoothYes, v 4.10Yes, v 4.10
NFCNoNo
InfraredNoYes
USB OTGYesYes
Micro-USBYes-
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs22
Wi-Fi DirectNoYes
Mobile High-Definition Link (MHL)NoNo
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
BarometerNoNo
Temperature sensorNoNo

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