Vivo Y31 5G vs Xiaomi 12S Ultra comparison

Show Only Differences Highlight Differences	Vivo Y31 5G	Xiaomi 12S Ultra
key specs
Display	6.68-inch	6.73-inch
Processor	Qualcomm Snapdragon 4 Gen 2	Qualcomm Snapdragon 8+ Gen 1
Front Camera	8-megapixel	32-megapixel
Rear Camera	50-megapixel + 0.08-megapixel	50-megapixel + 48-megapixel + 48-megapixel
RAM	4GB, 6GB	8GB, 12GB
Storage	128GB	256GB, 512GB
Battery Capacity	6,500mAh	4860mAh
OS	Android 15	Android 12
Resolution	1,608x720 pixels	1440x3200 pixels
general
Brand	Vivo	Xiaomi
Model	Y31 5G	12S Ultra
Release date	September 15, 2025	July 4, 2022
Launched in India	Yes	No
Form factor	Touchscreen	Touchscreen
Body type	Plastic	Glass
Dimensions (mm)	166.14 x 77.01 x 8.39	163.17 x 74.97 x 9.06
Weight (g)	209.00	225.00
IP rating	IP68	-
Battery capacity (mAh)	6,500	4860
Removable battery	No	-
Fast charging	44W Flash Charge	-
Wireless charging	No	-
Colours	Rose Red and Diamond Green	Black, Green
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.68	6.73
Touchscreen	Yes	Yes
Resolution	1,608x720 pixels	1440x3200 pixels
Pixels per inch (PPI)	264	-
Protection type	-	Gorilla Glass
hardware
Processor	2.2GHz MHz octa-core	octa-core
Processor make	Qualcomm Snapdragon 4 Gen 2	Qualcomm Snapdragon 8+ Gen 1
RAM	4GB, 6GB	8GB, 12GB
Internal storage	128GB	256GB, 512GB
Expandable storage	Yes	No
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 (f/1.9) + 48-megapixel (f/2.2) + 48-megapixel (f/4.1)
No. of Rear Cameras	2	3
Rear flash	Yes	Yes
Front camera	8-megapixel (f/f/2.0)	32-megapixel
No. of Front Cameras	1	1
Pop-Up Camera	No	-
Rear autofocus	-	Yes
software
Operating system	Android 15	Android 12
Skin	Funtouch OS 15	MIUI 13
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 4.20	Yes, v 5.20
NFC	No	Yes
USB Type-C	Yes	Yes
Number of SIMs	2	-
Wi-Fi standards supported	-	802.11 a/b/g/n/ac/ax
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	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	-
In-Display Fingerprint Sensor	-	Yes

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