Vivo Y31 5G vs Oppo R15x comparison

Show Only Differences Highlight Differences	Vivo Y31 5G	Oppo R15x
key specs
Display	6.68-inch	6.40-inch
Processor	Qualcomm Snapdragon 4 Gen 2	Qualcomm Snapdragon 660
Front Camera	8-megapixel	25-megapixel
Rear Camera	50-megapixel + 0.08-megapixel	16-megapixel + 2-megapixel
RAM	4GB, 6GB	6GB
Storage	128GB	128GB
Battery Capacity	6,500mAh	3500mAh
OS	Android 15	Android Oreo
Resolution	1,608x720 pixels	-
general
Brand	Vivo	Oppo
Model	Y31 5G	R15x
Release date	September 15, 2025	November 1, 2018
Launched in India	Yes	-
Form factor	Touchscreen	-
Body type	Plastic	-
Dimensions (mm)	166.14 x 77.01 x 8.39	-
Weight (g)	209.00	-
IP rating	IP68	-
Battery capacity (mAh)	6,500	3500
Removable battery	No	-
Fast charging	44W Flash Charge	-
Wireless charging	No	-
Colours	Rose Red and Diamond Green	Nebula, Ice Blue
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.68	6.40
Touchscreen	Yes	Yes
Resolution	1,608x720 pixels	-
Pixels per inch (PPI)	264	-
hardware
Processor	2.2GHz MHz octa-core	octa-core
Processor make	Qualcomm Snapdragon 4 Gen 2	Qualcomm Snapdragon 660
RAM	4GB, 6GB	6GB
Internal storage	128GB	128GB
Expandable storage	Yes	-
Expandable storage type	microSD	-
Expandable storage up to (GB)	2TB	-
camera
Rear camera	50-megapixel (f/f/1.8) + 0.08-megapixel (f/f/3.0)	16-megapixel + 2-megapixel
No. of Rear Cameras	2	-
Rear flash	Yes	-
Front camera	8-megapixel (f/f/2.0)	25-megapixel
No. of Front Cameras	1	-
Pop-Up Camera	No	-
software
Operating system	Android 15	Android Oreo
Skin	Funtouch OS 15	ColorOS 5.2
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 4.20	Yes
NFC	No	-
USB Type-C	Yes	-
Number of SIMs	2	-
Headphones	-	3.5mm
sim 1
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	-
4G/ LTE	Yes	-
5G	Yes	-
sim 2
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	-
4G/ LTE	Yes	-
5G	Yes	-
sensors
Fingerprint sensor	Yes	-
Compass/ Magnetometer	Yes	-
Proximity sensor	Yes	-
Accelerometer	Yes	-
Ambient light sensor	Yes	-
Gyroscope	No	-
Barometer	No	-
Temperature sensor	No	-

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