OPPO A6 Pro 4G vs Oppo A91 comparison

Show Only Differences Highlight Differences	OPPO A6 Pro 4G	Oppo A91
key specs
Display	6.57-inch	6.40-inch
Processor	MediaTek Helio G100	octa-core
Front Camera	16-megapixel	Unspecified
Rear Camera	50-megapixel + 2-megapixel	48-megapixel + 8-megapixel
RAM	8GB	8GB
Storage	256GB	128GB
Battery Capacity	7000mAh	4000mAh
OS	Android 15	Android 9
Resolution	1080x2372 pixels	1080x2400 pixels
general
Brand	OPPO	Oppo
Model	A6 Pro 4G	A91
Release date	September 1, 2025	December 20, 2019
Launched in India	No	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	158.20 x 75.02 x 8.00	-
Weight (g)	188.00	-
IP rating	IP69	-
Battery capacity (mAh)	7000	4000
Removable battery	No	No
Fast charging	80W Fast Charging	VOOC
Wireless charging	No	-
Colours	Coral Pink, Lunar Titanium, Rosewood Red, Stellar Blue	Black, Blue, Red
display
Refresh Rate	120 Hz	-
Resolution Standard	FHD+	-
Screen size (inches)	6.57	6.40
Touchscreen	Yes	Yes
Resolution	1080x2372 pixels	1080x2400 pixels
Pixels per inch (PPI)	397	-
Protection type	-	Gorilla Glass
hardware
Processor	octa-core	octa-core
Processor make	MediaTek Helio G100	-
RAM	8GB	8GB
Internal storage	256GB	128GB
camera
Rear camera	50-megapixel (f/1.8) + 2-megapixel (f/2.4)	48-megapixel + 8-megapixel
No. of Rear Cameras	2	-
Rear flash	Yes	Yes
Front camera	16-megapixel (f/2.4)	Unspecified
No. of Front Cameras	1	-
Rear autofocus	-	Yes
Front flash	-	No
software
Operating system	Android 15	Android 9
Skin	ColorOS 15	ColorOS
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 5.40	Yes
USB Type-C	Yes	-
Headphones	Type-C	-
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	-
sim 2
SIM Type	Nano-SIM	-
sensors
In-Display Fingerprint Sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	-
Fingerprint sensor	-	Yes

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