Samsung Galaxy J7 (2017) vs Oppo A57 comparison

Compare Samsung Galaxy J7 (2017)
Compare Oppo A57
key specs
Display5.50-inch5.20-inch
ProcessorSamsung Exynos 7 Octa 7870Qualcomm Snapdragon 435
Front Camera13-megapixel 16-megapixel
Rear Camera13-megapixel 13-megapixel
RAM3GB3GB
Storage16GB32GB
Battery Capacity3600mAh2900mAh
OSAndroid 7.0Android 6.0
Resolution1080x1920 pixels720x1280 pixels
general
BrandSamsungOppo
ModelGalaxy J7 (2017)A57
Release dateJune 1, 2017November 1, 2016
Form factorTouchscreenTouchscreen
Dimensions (mm)146.30 x 71.30 x 7.90149.10 x 72.90 x 7.65
Battery capacity (mAh)36002900
Removable batteryYesNo
ColoursBlack, GoldRose Gold, Gold
Launched in India-Yes
Weight (g)-147.00
SAR value-1.31
display
Screen size (inches)5.505.20
TouchscreenYesYes
Resolution1080x1920 pixels720x1280 pixels
Aspect ratio16:916:9
hardware
Processor1.6GHz octa-core1.4GHz octa-core
Processor makeSamsung Exynos 7 Octa 7870Qualcomm Snapdragon 435
RAM3GB3GB
Internal storage16GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
camera
Rear camera13-megapixel (f/1.7)13-megapixel (f/2.2)
Rear flashLEDLED
Front camera13-megapixel (f/1.9)16-megapixel (f/2.0, 1.12-micron)
Front flashLED-
Rear autofocus-Phase detection autofocus
Front autofocus-Yes
software
Operating systemAndroid 7.0Android 6.0
Skin-ColorOS 3.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n
GPSYesYes
BluetoothYes, v 4.10Yes, v 4.10
NFCNoNo
InfraredNoNo
USB OTGNoYes
Micro-USBYesYes
FMYesYes
Number of SIMs22
Wi-Fi DirectNoNo
Mobile High-Definition Link (MHL)NoNo
Headphones-3.5mm
sim 1
GSM/CDMAGSMGSM
3GNoYes
4G/ LTEYesYes
SIM Type-Nano-SIM
sim 2
GSM/CDMAGSMGSM
3GNoYes
4G/ LTEYesYes
SIM Type-Nano-SIM
sensors
Compass/ MagnetometerNoYes
Proximity sensorYesYes
AccelerometerNoYes
Ambient light sensorNoYes
GyroscopeNoYes
BarometerNoNo
Temperature sensorNoNo
Fingerprint sensor-Yes
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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