Oppo A91 vs Oppo R1x comparison

Show Only Differences Highlight Differences	Oppo A91	Oppo R1x
key specs
Display	6.40-inch	5.00-inch
Processor	octa-core	Qualcomm Snapdragon 615
Front Camera	Unspecified	5-megapixel
Rear Camera	48-megapixel + 8-megapixel	13-megapixel
RAM	8GB	2GB
Storage	128GB	16GB
Battery Capacity	4000mAh	2420mAh
OS	Android 9	Android 4.4
Resolution	1080x2400 pixels	720x1280 pixels
general
Brand	Oppo	Oppo
Model	A91	R1x
Release date	December 20, 2019	April 1, 2015
Form factor	Touchscreen	Touchscreen
Battery capacity (mAh)	4000	2420
Removable battery	No	No
Fast charging	VOOC	-
Colours	Black, Blue, Red	Black, White
Thickness	-	6.8
display
Screen size (inches)	6.40	5.00
Touchscreen	Yes	Yes
Resolution	1080x2400 pixels	720x1280 pixels
Protection type	Gorilla Glass	-
hardware
Processor	octa-core	1.5GHz octa-core
RAM	8GB	2GB
Internal storage	128GB	16GB
Processor make	-	Qualcomm Snapdragon 615
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	No
Front camera	Unspecified	5-megapixel
Front flash	No	-
software
Operating system	Android 9	Android 4.4
Skin	ColorOS	ColorOS 2.0.1
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n	802.11 b/g/n
GPS	Yes	Yes
Bluetooth	Yes	Yes
Active 4G on both SIM cards	Yes	-
NFC	-	No
Infrared	-	No
USB OTG	-	No
Headphones	-	3.5mm
FM	-	Yes
Number of SIMs	-	2
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
sensors
Fingerprint sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	-	No
Barometer	-	No
Temperature sensor	-	No
sim 1
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
sim 2
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	No

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