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Vivo Y31 5G vs Oppo K9 5G comparison

 Compare Vivo Y31 5G
Vivo Y31 5G
Compare Oppo K9 5G
Oppo K9 5G
key specs
Display6.68-inch6.43-inch
ProcessorQualcomm Snapdragon 4 Gen 2Qualcomm Snapdragon 768G
Front Camera8-megapixel 32-megapixel
Rear Camera50-megapixel + 0.08-megapixel 64-megapixel + 8-megapixel + 2-megapixel
RAM4GB, 6GB8GB
Storage128GB128GB, 256GB
Battery Capacity6,500mAh4300mAh
OSAndroid 15Android 11
Resolution1,608x720 pixels1080x2400 pixels
general
BrandVivoOppo
ModelY31 5GK9 5G
Release dateSeptember 15, 2025May 6, 2021
Launched in IndiaYesNo
Form factorTouchscreenTouchscreen
Body typePlastic-
Dimensions (mm)166.14 x 77.01 x 8.39159.10 x 73.40 x 7.90
Weight (g)209.00172.00
IP ratingIP68-
Battery capacity (mAh)6,5004300
Removable batteryNo-
Fast charging44W Flash ChargeProprietary
Wireless chargingNo-
ColoursRose Red and Diamond GreenBlack, Gradient
display
Refresh Rate120 Hz-
Screen size (inches)6.686.43
TouchscreenYesYes
Resolution1,608x720 pixels1080x2400 pixels
Pixels per inch (PPI)264410
Aspect ratio-20:9
hardware
Processor2.2GHz MHz octa-coreocta-core
Processor makeQualcomm Snapdragon 4 Gen 2Qualcomm Snapdragon 768G
RAM4GB, 6GB8GB
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/1.7) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras23
Rear flashYesYes
Front camera8-megapixel (f/f/2.0)32-megapixel (f/2.4)
No. of Front Cameras11
Pop-Up CameraNoNo
Rear autofocus-Yes
software
Operating systemAndroid 15Android 11
SkinFuntouch OS 15ColorOS 11.1
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 4.20Yes
NFCNo-
USB Type-CYesYes
Number of SIMs22
Wi-Fi standards supported-802.11 a/b/g/n/ac
Micro-USB-No
Lightning-No
Headphones-3.5mm
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM-
4G/ LTEYesYes
5GYesYes
3G-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM-
4G/ LTEYesYes
5GYesYes
3G-Yes
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeNoYes
BarometerNo-
Temperature sensorNo-
In-Display Fingerprint Sensor-Yes
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