Oppo A7 vs Vivo Y51 comparison

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ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.20-inch5.00-inch
Front Camera16-megapixel5-megapixel
Rear Camera13-megapixel + 2-megapixel 8-megapixel
RAM4GB2GB
Storage64GB16GB
Battery Capacity4230mAh2350mAh
OSAndroid 8.1Android 5.0.2
Processor-1.2GHz quad-core
Resolution-540x960 pixels
general
BrandOppoVivo
ModelA7Y51
Release dateNovember 1, 2018November 1, 2015
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Body typePlastic-
Dimensions (mm)155.90 x 75.40 x 8.10143.80 x 71.70 x 7.52
Weight (g)168.00157.00
Battery capacity (mAh)42302350
Removable batteryNoNo
ColoursGlaring Gold, Glaze BlueWhite
SAR value1.37-
display
Screen size (inches)6.205.00
TouchscreenYesYes
Aspect ratio19.5:9-
Resolution-540x960 pixels
hardware
Processor makeQualcomm Snapdragon 450-
RAM4GB2GB
Internal storage64GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256128
Dedicated microSD slotYes-
Processor-1.2GHz quad-core
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)8-megapixel
Rear autofocusYes-
Rear flashYesLED
Front camera16-megapixel5-megapixel
Front autofocusNo-
Front flashNo-
software
Operating systemAndroid 8.1Android 5.0.2
SkinColorOS 5.2FunTouch OS
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n-
GPSYesYes
BluetoothYes, v 4.20Yes
USB OTGYesNo
Micro-USBYes-
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs22
Active 4G on both SIM cardsYes-
NFC-No
Infrared-No
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
SIM Type-Micro-SIM
sim 2
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesYes
SIM Type-Micro-SIM
sensors
Face unlockYes-
Fingerprint sensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Barometer-No
Temperature sensor-No
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