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Vivo Y31 5G vs Vivo S9 5G comparison

 Compare Vivo Y31 5G
Vivo Y31 5G
Compare Vivo S9 5G
Vivo S9 5G
key specs
Display6.68-inch6.40-inch
ProcessorQualcomm Snapdragon 4 Gen 2MediaTek Dimensity 1100
Front Camera8-megapixel 44-megapixel + 8-megapixel
Rear Camera50-megapixel + 0.08-megapixel 64-megapixel + 8-megapixel + 2-megapixel
RAM4GB, 6GB8GB, 12GB
Storage128GB128GB, 256GB
Battery Capacity6,500mAh4000mAh
OSAndroid 15Android 11
Resolution1,608x720 pixels1080x2400 pixels
general
BrandVivoVivo
ModelY31 5GS9 5G
Release dateSeptember 15, 2025March 4, 2021
Launched in IndiaYesNo
Form factorTouchscreenTouchscreen
Body typePlastic-
Dimensions (mm)166.14 x 77.01 x 8.39158.39 x 73.87 x 7.35
Weight (g)209.00173.00
IP ratingIP68-
Battery capacity (mAh)6,5004000
Removable batteryNo-
Fast charging44W Flash ChargeProprietary
Wireless chargingNo-
ColoursRose Red and Diamond GreenMidnight Blue, White, and Aurora Blue
display
Refresh Rate120 Hz-
Screen size (inches)6.686.40
TouchscreenYesYes
Resolution1,608x720 pixels1080x2400 pixels
Pixels per inch (PPI)264-
Aspect ratio-20:9
hardware
Processor2.2GHz MHz octa-coreocta-core
Processor makeQualcomm Snapdragon 4 Gen 2MediaTek Dimensity 1100
RAM4GB, 6GB8GB, 12GB
Internal storage128GB128GB, 256GB
Expandable storageYes-
Expandable storage typemicroSD-
Expandable storage up to (GB)2TB-
camera
Rear camera50-megapixel (f/f/1.8) + 0.08-megapixel (f/f/3.0)64-megapixel (f/1.79) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras23
Rear flashYesYes
Front camera8-megapixel (f/f/2.0)44-megapixel (f/2.0) + 8-megapixel (f/2.28)
No. of Front Cameras12
Pop-Up CameraNo-
Rear autofocus-Yes
software
Operating systemAndroid 15Android 11
SkinFuntouch OS 15OriginOS 1
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 4.20Yes
NFCNoYes
USB Type-CYesYes
Number of SIMs22
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
4G/ LTEYesYes
5GYesYes
3G-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
4G/ LTEYesYes
5GYes-
3G-Yes
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeNoYes
BarometerNo-
Temperature sensorNo-
In-Display Fingerprint Sensor-Yes
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