Oppo A91 vs Oppo R9s comparison

Compare Oppo A91
Compare Oppo R9s
key specs
Display6.40-inch5.50-inch
Processorocta-coreQualcomm Snapdragon 625
Front CameraYes16-megapixel
Rear Camera48-megapixel + 8-megapixel16-megapixel
RAM8GB4GB
Storage128GB64GB
Battery Capacity4000mAh3010mAh
OSAndroid 9Android 6.0
Resolution1080x2400 pixels1080x1920 pixels
general
BrandOppoOppo
ModelA91R9s
Release date20th December 2019October 2016
Form factorTouchscreenTouchscreen
Battery capacity (mAh)40003010
Removable batteryNoNo
Fast chargingVOOC-
ColoursBlack, Blue, RedGold, Rose Gold
Dimensions (mm)-153.00 x 74.30 x 6.58
Weight (g)-145.00
display
Screen size (inches)6.405.50
TouchscreenYesYes
Resolution1080x2400 pixels1080x1920 pixels
Protection typeGorilla Glass-
Pixels per inch (PPI)-401
hardware
Processorocta-core2GHz octa-core
RAM8GB4GB
Internal storage128GB64GB
Processor make-Qualcomm Snapdragon 625
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-128
camera
Rear camera48-megapixel + 8-megapixel16-megapixel
Rear autofocusYes-
Rear flashYesLED
Front cameraYes16-megapixel
Front flashNo-
software
Operating systemAndroid 9Android 6.0
SkinColorOSColorOS 3.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n-
GPSYesYes
BluetoothYesYes, v 4.00
Active 4G on both SIM cardsYes-
NFC-Yes
Infrared-No
USB OTG-No
FM-No
Number of SIMs-2
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-Yes
Barometer-No
Temperature sensor-No
sim 1
3G-No
4G/ LTE-No
sim 2
3G-No
4G/ LTE-No

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