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Oppo A91 vs Oppo R9
Oppo A91
vs
Oppo R9
comparison
Show Only Differences
Highlight Differences
Oppo A91
Oppo R9
key specs
Display
6.40-inch
5.50-inch
Processor
octa-core
MediaTek Helio P10
Front Camera
Unspecified
16-megapixel
Rear Camera
48-megapixel + 8-megapixel
13-megapixel
RAM
8GB
4GB
Storage
128GB
64GB
Battery Capacity
4000mAh
2850mAh
OS
Android 9
Android 5.1
Resolution
1080x2400 pixels
1080x1920 pixels
general
Brand
Oppo
Oppo
Model
A91
R9
Release date
December 20, 2019
March 1, 2016
Form factor
Touchscreen
Touchscreen
Battery capacity (mAh)
4000
2850
Removable battery
No
No
Fast charging
VOOC
-
Colours
Black, Blue, Red
-
Dimensions (mm)
-
151.80 x 74.30 x 6.60
Weight (g)
-
145.00
display
Screen size (inches)
6.40
5.50
Touchscreen
Yes
Yes
Resolution
1080x2400 pixels
1080x1920 pixels
Protection type
Gorilla Glass
-
Pixels per inch (PPI)
-
401
hardware
Processor
octa-core
2GHz octa-core
RAM
8GB
4GB
Internal storage
128GB
64GB
Processor make
-
MediaTek Helio P10 (MT6755)
Expandable storage
-
Yes
Expandable storage type
-
microSD
Expandable storage up to (GB)
-
128
camera
Rear camera
48-megapixel + 8-megapixel
13-megapixel
Rear autofocus
Yes
-
Rear flash
Yes
LED
Front camera
Unspecified
16-megapixel
Front flash
No
-
software
Operating system
Android 9
Android 5.1
Skin
ColorOS
ColorOS 3.0
connectivity
Wi-Fi
Yes
Yes
Wi-Fi standards supported
802.11 a/b/g/n
-
GPS
Yes
Yes
Bluetooth
Yes
Yes
Active 4G on both SIM cards
Yes
-
NFC
-
No
Infrared
-
No
USB OTG
-
Yes
Headphones
-
3.5mm
FM
-
No
Number of SIMs
-
2
Wi-Fi Direct
-
No
Mobile High-Definition Link (MHL)
-
No
sensors
Fingerprint sensor
Yes
-
Compass/ Magnetometer
Yes
No
Proximity sensor
Yes
Yes
Accelerometer
Yes
Yes
Ambient light sensor
Yes
Yes
Gyroscope
-
Yes
Barometer
-
No
Temperature sensor
-
No
sim 1
SIM Type
-
Micro-SIM
GSM/CDMA
-
GSM
3G
-
Yes
4G/ LTE
-
Yes
sim 2
SIM Type
-
Micro-SIM
GSM/CDMA
-
GSM
3G
-
Yes
4G/ LTE
-
Yes
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