Oppo Reno 4 vs Oppo A91 comparison

Show Only Differences Highlight Differences	Oppo Reno 4	Oppo A91
key specs
Display	6.40-inch	6.40-inch
Processor	octa-core	octa-core
Front Camera	32-megapixel	Unspecified
Rear Camera	48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel	48-megapixel + 8-megapixel
RAM	8GB	8GB
Storage	128GB	128GB
Battery Capacity	4015mAh	4000mAh
OS	Android 10	Android 9
Resolution	-	1080x2400 pixels
general
Brand	Oppo	Oppo
Model	Reno 4	A91
Release date	July 31, 2020	December 20, 2019
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	160.30 x 73.90 x 7.70	-
Weight (g)	165.00	-
Battery capacity (mAh)	4015	4000
Removable battery	No	No
Fast charging	Proprietary	VOOC
Colours	Glacial Blue, Space Black	Black, Blue, Red
display
Screen size (inches)	6.40	6.40
Touchscreen	Yes	Yes
Resolution	-	1080x2400 pixels
Protection type	-	Gorilla Glass
hardware
Processor	octa-core	octa-core
RAM	8GB	8GB
Internal storage	128GB	128GB
Expandable storage	Yes	-
Expandable storage type	microSD	-
Dedicated microSD slot	Yes	-
camera
Rear camera	48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel	48-megapixel + 8-megapixel
Rear autofocus	Yes	Yes
Rear flash	Yes	Yes
Front camera	32-megapixel	Unspecified
Pop-Up Camera	No	-
Front flash	-	No
software
Operating system	Android 10	Android 9
Skin	ColorOS 7.2	ColorOS
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes	Yes
USB Type-C	Yes	-
Number of SIMs	2	-
Wi-Fi standards supported	-	802.11 a/b/g/n
Active 4G on both SIM cards	-	Yes
sim 1
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	Yes	-
sim 2
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	Yes	-
sensors
Fingerprint sensor	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Compass/ Magnetometer	-	Yes

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