Vivo Y31 5G vs Vivo X100 Ultra comparison

Show Only Differences Highlight Differences	Vivo Y31 5G	Vivo X100 Ultra
key specs
Display	6.68-inch	6.78-inch
Processor	Qualcomm Snapdragon 4 Gen 2	Snapdragon 8 Gen 3
Front Camera	8-megapixel	50-megapixel
Rear Camera	50-megapixel + 0.08-megapixel	50-megapixel + 50-megapixel + 200-megapixel
RAM	4GB, 6GB	12GB
Storage	128GB	256GB
Battery Capacity	6,500mAh	5500mAh
OS	Android 15	Android 14
Resolution	1,608x720 pixels	1440x3200 pixels
general
Brand	Vivo	Vivo
Model	Y31 5G	X100 Ultra
Release date	September 15, 2025	May 14, 2024
Launched in India	Yes	No
Form factor	Touchscreen	Touchscreen
Body type	Plastic	-
Dimensions (mm)	166.14 x 77.01 x 8.39	164.70 x 75.57 x 9.23
Weight (g)	209.00	229.00
IP rating	IP68	IP69
Battery capacity (mAh)	6,500	5500
Removable battery	No	-
Fast charging	44W Flash Charge	80W Fast Charging
Wireless charging	No	Yes
Colours	Rose Red and Diamond Green	Bai Yueguang, Space Grey and Titanium
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.68	6.78
Touchscreen	Yes	Yes
Resolution	1,608x720 pixels	1440x3200 pixels
Pixels per inch (PPI)	264	-
Aspect ratio	-	20:9
hardware
Processor	2.2GHz MHz octa-core	octa-core
Processor make	Qualcomm Snapdragon 4 Gen 2	Snapdragon 8 Gen 3
RAM	4GB, 6GB	12GB
Internal storage	128GB	256GB
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)	50-megapixel + 50-megapixel + 200-megapixel
No. of Rear Cameras	2	3
Rear flash	Yes	-
Front camera	8-megapixel (f/f/2.0)	50-megapixel
No. of Front Cameras	1	1
Pop-Up Camera	No	-
software
Operating system	Android 15	Android 14
Skin	Funtouch OS 15	OriginOS 4
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 4.20	Yes
NFC	No	Yes
USB Type-C	Yes	Yes
Number of SIMs	2	-
Wi-Fi standards supported	-	802.11 a/b/g/n/ac/ax
USB OTG	-	Yes
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	-
In-Display Fingerprint Sensor	-	Yes

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