Oppo A57 vs Xiaomi Redmi 4 comparison

Compare Oppo A57
Compare Xiaomi Redmi 4
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 435
Front Camera16-megapixel 5-megapixel
Rear Camera13-megapixel 13-megapixel
RAM3GB3GB
Storage32GB32GB
Battery Capacity2900mAh4100mAh
OSAndroid 6.0Android 6.0.1
Resolution720x1280 pixels720x1280 pixels
general
BrandOppoXiaomi
ModelA57Redmi 4
Release dateNovember 2016November 2016
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)149.10 x 72.90 x 7.65139.30 x 69.90 x 8.65
Weight (g)147.00150.00
Battery capacity (mAh)29004100
Removable batteryNoNo
ColoursRose Gold, GoldGold, Black
SAR value1.31-
display
Screen size (inches)5.205.00
TouchscreenYesYes
Resolution720x1280 pixels720x1280 pixels
Aspect ratio16:916:9
Protection type-Gorilla Glass
Pixels per inch (PPI)-296
hardware
Processor1.4GHz octa-core1.4GHz octa-core
Processor makeQualcomm Snapdragon 435Qualcomm Snapdragon 435
RAM3GB3GB
Internal storage32GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256128
camera
Rear camera13-megapixel (f/2.2)13-megapixel
Rear autofocusPhase detection autofocus-
Rear flashLEDLED
Front camera16-megapixel (f/2.0, 1.12-micron)5-megapixel
Front autofocusYes-
software
Operating systemAndroid 6.0Android 6.0.1
SkinColorOS 3.0MIUI 8
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n
GPSYesYes
BluetoothYes, v 4.10Yes, v 4.10
NFCNoNo
InfraredNoYes
USB OTGYesYes
Micro-USBYesYes
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs22
Wi-Fi DirectNoNo
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 sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
BarometerNoNo
Temperature sensorNoNo

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