Vivo Y31 5G vs Vivo Y78t comparison

Show Only Differences Highlight Differences	Vivo Y31 5G	Vivo Y78t
key specs
Display	6.68-inch	6.64-inch
Processor	Qualcomm Snapdragon 4 Gen 2	-
Front Camera	8-megapixel	8-megapixel
Rear Camera	50-megapixel + 0.08-megapixel	50-megapixel + 2-megapixel
RAM	4GB, 6GB	8GB
Storage	128GB	128GB
Battery Capacity	6,500mAh	6000mAh
OS	Android 15	Android Android 13
Resolution	1,608x720 pixels	2388x1080 pixels
general
Brand	Vivo	Vivo
Model	Y31 5G	Y78t
Release date	September 15, 2025	October 23, 2023
Launched in India	Yes	No
Form factor	Touchscreen	Touchscreen
Body type	Plastic	Plastic
Dimensions (mm)	166.14 x 77.01 x 8.39	164.63 x 75.80 x 9.10
Weight (g)	209.00	199.00
IP rating	IP68	-
Battery capacity (mAh)	6,500	6000
Removable battery	No	No
Fast charging	44W Flash Charge	44W Flash Charge
Wireless charging	No	No
Colours	Rose Red and Diamond Green	Azure, warm sun gold, and Moon shadow black
display
Refresh Rate	120 Hz	120 Hz
Screen size (inches)	6.68	6.64
Touchscreen	Yes	Yes
Resolution	1,608x720 pixels	2388x1080 pixels
Pixels per inch (PPI)	264	-
Resolution Standard	-	FHD+
Aspect ratio	-	20:9
hardware
Processor	2.2GHz MHz octa-core	-
Processor make	Qualcomm Snapdragon 4 Gen 2	Qualcomm Snapdragon 6 Gen 1
RAM	4GB, 6GB	8GB
Internal storage	128GB	128GB
Expandable storage	Yes	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)	50-megapixel + 2-megapixel
No. of Rear Cameras	2	2
Rear flash	Yes	-
Front camera	8-megapixel (f/f/2.0)	8-megapixel
No. of Front Cameras	1	1
Pop-Up Camera	No	-
software
Operating system	Android 15	Android Android 13
Skin	Funtouch OS 15	OriginOS 3
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 4.20	Yes, v 5.10
NFC	No	-
USB Type-C	Yes	Yes
Number of SIMs	2	2
Headphones	-	Type-C
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	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	No	Yes
Barometer	No	-
Temperature sensor	No	-
3D face recognition	-	Yes
In-Display Fingerprint Sensor	-	Yes

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