Oppo A77 4G vs Oppo A31 comparison

Show Only Differences Highlight Differences	Oppo A77 4G	Oppo A31
key specs
Display	6.56-inch	4.50-inch
Front Camera	8-megapixel	5-megapixel
Rear Camera	50-megapixel	8-megapixel
RAM	4GB	1GB
Storage	64GB	8GB
Battery Capacity	5000mAh	2000mAh
OS	Android 12	Android 4.4
Processor	-	Qualcomm Snapdragon 410
Resolution	-	480x854 pixels
general
Brand	Oppo	Oppo
Model	A77 4G	A31
Release date	August 1, 2022	April 1, 2015
Launched in India	Yes	-
Dimensions (mm)	163.74 x 75.03 x 7.99	131.90 x 65.54 x 8.03
Weight (g)	187.00	135.00
Battery capacity (mAh)	5000	2000
Fast charging	Super VOOC	-
Colours	Sky Blue, Sunset Orange	-
Form factor	-	Touchscreen
Removable battery	-	No
display
Resolution Standard	HD+	-
Screen size (inches)	6.56	4.50
Touchscreen	Yes	Yes
Pixels per inch (PPI)	269	-
Resolution	-	480x854 pixels
hardware
RAM	4GB	1GB
Internal storage	64GB	8GB
Processor	-	1.4GHz quad-core
Processor make	-	Qualcomm Snapdragon 410
Expandable storage	-	Yes
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	128
camera
Rear camera	50-megapixel	8-megapixel
No. of Rear Cameras	2	-
Front camera	8-megapixel	5-megapixel
Rear flash	-	LED
software
Operating system	Android 12	Android 4.4
Skin	-	ColorOS 2.0.1
connectivity
Wi-Fi	Yes	Yes
Bluetooth	Yes	Yes
GPS	-	Yes
NFC	-	No
Infrared	-	No
USB OTG	-	No
Headphones	-	Yes
FM	-	No
Number of SIMs	-	2
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
sensors
Fingerprint sensor	Yes	-
Compass/ Magnetometer	-	No
Proximity sensor	-	Yes
Accelerometer	-	Yes
Ambient light sensor	-	Yes
Gyroscope	-	No
Barometer	-	No
Temperature sensor	-	No
sim 1
SIM Type	-	Micro-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
sim 2
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM
3G	-	No
4G/ LTE	-	Yes

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