Oppo A57 vs Samsung Galaxy J7 Prime comparison

Compare Oppo A57
Compare Samsung Galaxy J7 Prime
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 435Samsung Exynos 7 Octa 7870
Front Camera16-megapixel 8-megapixel
Rear Camera13-megapixel 13-megapixel
RAM3GB3GB
Storage32GB16GB
Battery Capacity2900mAh3300mAh
OSAndroid 6.0Android 6.0
Resolution720x1280 pixels1080x1920 pixels
general
BrandOppoSamsung
ModelA57Galaxy J7 Prime
Release dateNovember 2016September 2016
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)149.10 x 72.90 x 7.65151.50 x 74.90 x 8.10
Weight (g)147.00167.00
Battery capacity (mAh)29003300
Removable batteryNoNo
ColoursRose Gold, GoldGold, Black
SAR value1.31-
display
Screen size (inches)5.205.50
TouchscreenYesYes
Resolution720x1280 pixels1080x1920 pixels
Aspect ratio16:916:9
Protection type-Gorilla Glass
Pixels per inch (PPI)-401
hardware
Processor1.4GHz octa-core1.6GHz octa-core
Processor makeQualcomm Snapdragon 435Samsung Exynos 7 Octa 7870
RAM3GB3GB
Internal storage32GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
camera
Rear camera13-megapixel (f/2.2)13-megapixel (f/1.9)
Rear autofocusPhase detection autofocusYes
Rear flashLEDLED
Front camera16-megapixel (f/2.0, 1.12-micron)8-megapixel (f/1.9)
Front autofocusYes-
software
Operating systemAndroid 6.0Android 6.0
SkinColorOS 3.0-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n-
GPSYesYes
BluetoothYes, v 4.10Yes, v 4.10
NFCNoNo
InfraredNoNo
USB OTGYesYes
Micro-USBYesYes
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs22
Wi-Fi DirectNoNo
Mobile High-Definition Link (MHL)NoNo
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesNo
GyroscopeYesNo
BarometerNoNo
Temperature sensorNoNo
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