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Oppo A57 vs Huawei Y635 vs Samsung Galaxy Core 2 comparison

 Compare Oppo A57
Oppo A57
Compare Huawei Y635
Huawei Y635
Compare Samsung Galaxy Core 2
Samsung Galaxy Core 2
ratings
Overall NDTV RatingRead Review--
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--
key specs
Display5.20-inch5.00-inch4.50-inch
ProcessorQualcomm Snapdragon 4351.2GHz quad-core1.2GHz quad-core
Front Camera16-megapixel 2-megapixel0.3-megapixel
Rear Camera13-megapixel 5-megapixel5-megapixel
RAM3GB1GB768MB
Storage32GB4GB4GB
Battery Capacity2900mAh2000mAh2000mAh
OSAndroid 6.0Android 4.4.4Android 4.4
Resolution720x1280 pixels480x854 pixels480x800 pixels
general
BrandOppoHuaweiSamsung
ModelA57Y635Galaxy Core 2
Release dateNovember 1, 2016March 1, 2015June 1, 2014
Launched in IndiaYes--
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)149.10 x 72.90 x 7.65-130.30 x 68.50 x 9.80
Weight (g)147.00-138.00
Battery capacity (mAh)290020002000
Removable batteryNoYesYes
ColoursRose Gold, Gold-White, Black
SAR value1.31--
display
Screen size (inches)5.205.004.50
TouchscreenYesYesYes
Resolution720x1280 pixels480x854 pixels480x800 pixels
Aspect ratio16:9--
hardware
Processor1.4GHz octa-core1.2GHz quad-core1.2GHz quad-core
Processor makeQualcomm Snapdragon 435--
RAM3GB1GB768MB
Internal storage32GB4GB4GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256-64
camera
Rear camera13-megapixel (f/2.2)5-megapixel5-megapixel
Rear autofocusPhase detection autofocus--
Rear flashLED-LED
Front camera16-megapixel (f/2.0, 1.12-micron)2-megapixel0.3-megapixel
Front autofocusYes--
software
Operating systemAndroid 6.0Android 4.4.4Android 4.4
SkinColorOS 3.0-TouchWiz Essence
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 b/g/n--
GPSYesYesYes
BluetoothYes, v 4.10YesYes
NFCNoNoNo
InfraredNoNoNo
USB OTGYesNoYes
Micro-USBYes--
Headphones3.5mm3.5mm3.5mm
FMYesNoYes
Number of SIMs212
Wi-Fi DirectNoNoNo
Mobile High-Definition Link (MHL)NoNoNo
sim 1
SIM TypeNano-SIMRegularMicro-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesNo
sim 2
SIM TypeNano-SIM-Micro-SIM
GSM/CDMAGSM-GSM
3GYes-Yes
4G/ LTEYes-No
sensors
Fingerprint sensorYes--
Compass/ MagnetometerYesNoNo
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesNo
GyroscopeYesYesNo
BarometerNoNoNo
Temperature sensorNoNoNo

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