Oppo A77s vs Vivo Y31 comparison

Show Only Differences Highlight Differences	Oppo A77s	Vivo Y31
key specs
Display	6.56-inch	6.58-inch
Front Camera	8-megapixel	16-megapixel
Rear Camera	50-megapixel + 2-megapixel	48-megapixel + 2-megapixel + 2-megapixel
RAM	8GB	6GB
Storage	128GB	128GB
Battery Capacity	5000mAh	5000mAh
OS	Android 12	Android 11
Resolution	1612x720 pixels	1080x2408 pixels
Processor	-	Qualcomm Snapdragon 662
general
Brand	Oppo	Vivo
Model	A77s	Y31
Release date	October 6, 2022	January 20, 2021
Launched in India	Yes	Yes
Dimensions (mm)	163.74 x 75.03 x 7.99	163.86 x 75.32 x 8.38
Weight (g)	187.00	188.00
Battery capacity (mAh)	5000	5000
Fast charging	Super VOOC	Proprietary
Colours	Sunset Orange, Starry Black	Ocean Blue, Racing Black
Form factor	-	Touchscreen
display
Refresh Rate	90 Hz	-
Resolution Standard	HD+	-
Screen size (inches)	6.56	6.58
Touchscreen	Yes	Yes
Resolution	1612x720 pixels	1080x2408 pixels
Pixels per inch (PPI)	269	-
Aspect ratio	-	20:9
hardware
Processor make	Qualcomm Snapdragon 680	Qualcomm Snapdragon 662
RAM	8GB	6GB
Internal storage	128GB	128GB
Expandable storage type	microSD	-
Processor	-	octa-core
camera
Rear camera	50-megapixel (f/1.8) + 2-megapixel (f/2.4)	48-megapixel (f/1.79) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
No. of Rear Cameras	2	-
Front camera	8-megapixel (f/2.0)	16-megapixel (f/2.0)
No. of Front Cameras	1	-
Rear autofocus	-	Yes
Rear flash	-	Yes
software
Operating system	Android 12	Android 11
Skin	ColorOS 12.1	Funtouch OS 11
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 5.00	Yes, v 5.00
USB Type-C	Yes	Yes
Headphones	3.5mm	-
Active 4G on both SIM cards	Yes	-
USB OTG	-	Yes
FM	-	Yes
Number of SIMs	-	2
sensors
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	-	Yes
Proximity sensor	-	Yes
Accelerometer	-	Yes
Ambient light sensor	-	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

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