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Vivo Y31 5G vs Vivo Z3i comparison

 Compare Vivo Y31 5G
Vivo Y31 5G
Compare Vivo Z3i
Vivo Z3i
key specs
Display6.68-inch6.30-inch
ProcessorQualcomm Snapdragon 4 Gen 2MediaTek Helio P60
Front Camera8-megapixel 24-megapixel
Rear Camera50-megapixel + 0.08-megapixel 16-megapixel + 2-megapixel
RAM4GB, 6GB6GB
Storage128GB128GB
Battery Capacity6,500mAh3315mAh
OSAndroid 15Android 8.1 Oreo
Resolution1,608x720 pixels1080x2280 pixels
general
BrandVivoVivo
ModelY31 5GZ3i
Release dateSeptember 15, 2025October 1, 2018
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Body typePlastic-
Dimensions (mm)166.14 x 77.01 x 8.39155.97 x 75.63 x 8.10
Weight (g)209.00163.70
IP ratingIP68-
Battery capacity (mAh)6,5003315
Removable batteryNo-
Fast charging44W Flash Charge-
Wireless chargingNo-
ColoursRose Red and Diamond GreenAurora Blue and Millennium Powder
display
Refresh Rate120 Hz-
Screen size (inches)6.686.30
TouchscreenYesYes
Resolution1,608x720 pixels1080x2280 pixels
Pixels per inch (PPI)264-
Aspect ratio-19:9
hardware
Processor2.2GHz MHz octa-core2.2GHz octa-core
Processor makeQualcomm Snapdragon 4 Gen 2MediaTek Helio P60 (MT6771)
RAM4GB, 6GB6GB
Internal storage128GB128GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)2TB256
Dedicated microSD slot-Yes
camera
Rear camera50-megapixel (f/f/1.8) + 0.08-megapixel (f/f/3.0)16-megapixel + 2-megapixel
No. of Rear Cameras2-
Rear flashYes-
Front camera8-megapixel (f/f/2.0)24-megapixel
No. of Front Cameras1-
Pop-Up CameraNo-
software
Operating systemAndroid 15Android 8.1 Oreo
SkinFuntouch OS 15Funtouch OS
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 4.20Yes, v 5.00
NFCNo-
USB Type-CYesNo
Number of SIMs22
Wi-Fi standards supported-802.11 ac
USB OTG-Yes
sim 1
SIM TypeNano-SIM-
GSM/CDMAGSMCDMA
4G/ LTEYesYes
5GYes-
3G-Yes
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSMCDMA
4G/ LTEYes-
5GYes-
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYes-
GyroscopeNoYes
BarometerNo-
Temperature sensorNo-
Face unlock-Yes
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