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Oppo A57 vs Xiaomi Redmi Note 4 (4GB RAM, 64GB) comparison

 Compare Oppo A57
Oppo A57 (3GB RAM, 32GB)
Compare Xiaomi Redmi Note 4 (4GB RAM, 64GB)
Xiaomi Redmi Note 4 (4GB RAM, 64GB)
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-inch5.50-inch
ProcessorQualcomm Snapdragon 435Qualcomm Snapdragon 625
Front Camera16-megapixel 5-megapixel
Rear Camera13-megapixel 13-megapixel
RAM3GB4GB
Storage32GB64GB
Battery Capacity2900mAh4100mAh
OSAndroid 6.0Android 6.0
Resolution720x1280 pixels1080x1920 pixels
general
BrandOppoXiaomi
ModelA57Redmi Note 4
Release dateNovember 1, 2016August 1, 2016
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)149.10 x 72.90 x 7.65151.00 x 76.00 x 8.30
Weight (g)147.00175.00
Battery capacity (mAh)29004100
Removable batteryNoNo
ColoursRose Gold, Gold0, Black, Dark Grey, Gold, Grey, Lake Blue
SAR value1.31-
display
Screen size (inches)5.205.50
TouchscreenYesYes
Resolution720x1280 pixels1080x1920 pixels
Aspect ratio16:916:9
Pixels per inch (PPI)-401
hardware
Processor1.4GHz octa-core2GHz octa-core
Processor makeQualcomm Snapdragon 435Qualcomm Snapdragon 625
RAM3GB4GB
Internal storage32GB64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256128
camera
Rear camera13-megapixel (f/2.2)13-megapixel (f/2.0, 1.12-micron)
Rear autofocusPhase detection autofocusPhase detection autofocus
Rear flashLEDDual LED
Front camera16-megapixel (f/2.0, 1.12-micron)5-megapixel (f/2.0)
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-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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