OPPO A6c 4G vs Oppo A91 comparison

Show Only Differences Highlight Differences	OPPO A6c 4G	Oppo A91
key specs
Display	6.75-inch	6.40-inch
Processor	Unisoc T7250	octa-core
Front Camera	5-megapixel	Unspecified
Rear Camera	13-megapixel	48-megapixel + 8-megapixel
RAM	4GB	8GB
Storage	64GB	128GB
Battery Capacity	7000mAh	4000mAh
OS	Android 15	Android 9
Resolution	720x1570 pixels	1080x2400 pixels
general
Brand	OPPO	Oppo
Model	A6c 4G	A91
Release date	May 25, 2026	December 20, 2019
AI Enabled	Yes	-
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Body type	Polycarbonate	-
Dimensions (mm)	166.50 x 78.20 x 9.00	-
Weight (g)	215.00	-
IP rating	IP64	-
Battery capacity (mAh)	7000	4000
Removable battery	No	No
Fast charging	15W Fast Charging	VOOC
Wireless charging	No	-
Colours	Feather White and Stone Brown	Black, Blue, Red
display
Refresh Rate	120 Hz	-
Resolution Standard	HD+	-
Screen size (inches)	6.75	6.40
Touchscreen	Yes	Yes
Resolution	720x1570 pixels	1080x2400 pixels
Protection type	Other	Gorilla Glass
Pixels per inch (PPI)	256	-
hardware
Processor	octa-core	octa-core
Processor make	Unisoc T7250	-
RAM	4GB	8GB
Internal storage	64GB	128GB
camera
Rear camera	13-megapixel (f/2.2)	48-megapixel + 8-megapixel
No. of Rear Cameras	1	-
Rear autofocus	Yes	Yes
Rear flash	Yes	Yes
Front camera	5-megapixel (f/2.2)	Unspecified
No. of Front Cameras	1	-
Pop-Up Camera	No	-
Front autofocus	Yes	-
Front flash	No	No
software
Operating system	Android 15	Android 9
Skin	ColorOS 15	ColorOS
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 5.20	Yes
USB Type-C	Yes	-
Number of SIMs	2	-
Active 4G on both SIM cards	Yes	Yes
Wi-Fi standards supported	-	802.11 a/b/g/n
sim 1
SIM Type	Nano-SIM	-
GSM/CDMA	GSM + CDMA	-
4G/ LTE	Yes	-
5G	Yes	-
sim 2
SIM Type	Nano-SIM	-
GSM/CDMA	GSM + CDMA	-
4G/ LTE	Yes	-
5G	Yes	-
sensors
Face unlock	Yes	-
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes

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