Oppo A91 vs Oppo R3 comparison

Compare Oppo A91
Compare Oppo R3
key specs
Display6.40-inch5.00-inch
Processorocta-core1.6GHz quad-core
Front CameraUnspecified5-megapixel
Rear Camera48-megapixel + 8-megapixel8-megapixel
RAM8GB1GB
Storage128GB8GB
Battery Capacity4000mAh-
OSAndroid 9Android
Resolution1080x2400 pixels720x1280 pixels
general
BrandOppoOppo
ModelA91R3
Release dateDecember 20, 2019June 1, 2014
Form factorTouchscreen-
Battery capacity (mAh)4000-
Removable batteryNoNo
Fast chargingVOOC-
ColoursBlack, Blue, Red-
display
Screen size (inches)6.405.00
TouchscreenYesYes
Resolution1080x2400 pixels720x1280 pixels
Protection typeGorilla Glass-
hardware
Processorocta-core1.6GHz quad-core
RAM8GB1GB
Internal storage128GB8GB
Expandable storage-Yes
Expandable storage type-microSD
camera
Rear camera48-megapixel + 8-megapixel8-megapixel
Rear autofocusYes-
Rear flashYesLED
Front cameraUnspecified5-megapixel
Front flashNo-
software
Operating systemAndroid 9Android
SkinColorOS-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n-
GPSYesYes
BluetoothYesYes
Active 4G on both SIM cardsYes-
NFC-No
Infrared-No
USB OTG-No
Headphones-3.5mm
FM-No
Number of SIMs-1
Wi-Fi Direct-Yes
Mobile High-Definition Link (MHL)-No
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesNo
Gyroscope-No
Barometer-No
Temperature sensor-No
sim 1
SIM Type-Micro-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes

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