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OPPO K15 vs Vivo Y31 5G comparison

 Compare OPPO K15
OPPO K15
Compare Vivo Y31 5G
Vivo Y31 5G
key specs
Display6.59-inch6.68-inch
ProcessorMediaTek Dimensity 7360 SuperQualcomm Snapdragon 4 Gen 2
Front Camera50-megapixel 8-megapixel
Rear Camera50-megapixel + 50-megapixel 50-megapixel + 0.08-megapixel
RAM12GB4GB, 6GB
Storage256GB128GB
Battery Capacity8000mAh6,500mAh
OSAndroid 16Android 15
Resolution1,256x2,760 pixels1,608x720 pixels
general
BrandOPPOVivo
ModelK15Y31 5G
Release dateJuly 24, 2026September 15, 2025
AI EnabledYes-
Launched in IndiaNoYes
Form factorTouchscreenTouchscreen
Body typeMetalPlastic
Dimensions (mm)158.30 x 75.13 x 8.31166.14 x 77.01 x 8.39
Weight (g)206.00209.00
IP ratingIP69IP68
Battery capacity (mAh)80006,500
Removable batteryNoNo
Fast charging80W Fast Charging44W Flash Charge
Wireless chargingNoNo
ColoursGale Grey and Rapid WhiteRose Red and Diamond Green
display
Refresh Rate120 Hz120 Hz
Resolution StandardFHD+-
Screen size (inches)6.596.68
TouchscreenYesYes
Resolution1,256x2,760 pixels1,608x720 pixels
Pixels per inch (PPI)460264
hardware
Processorocta-core2.2GHz MHz octa-core
Processor makeMediaTek Dimensity 7360 SuperQualcomm Snapdragon 4 Gen 2
RAM12GB4GB, 6GB
Internal storage256GB128GB
Expandable storageNoYes
Expandable storage type-microSD
Expandable storage up to (GB)-2TB
camera
Rear camera50-megapixel (f/1.8) + 50-megapixel (f/2.2)50-megapixel (f/f/1.8) + 0.08-megapixel (f/f/3.0)
No. of Rear Cameras22
Rear autofocusYes-
Rear flashYesYes
Front camera50-megapixel (f/2.0)8-megapixel (f/f/2.0)
No. of Front Cameras11
Pop-Up CameraNoNo
Front autofocusYes-
Front flashNo-
software
Operating systemAndroid 16Android 15
SkinColorOS 16Funtouch OS 15
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.40Yes, v 4.20
USB Type-CYesYes
Number of SIMs22
NFC-No
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM + CDMAGSM
4G/ LTEYesYes
5GYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM + CDMAGSM
4G/ LTEYesYes
5GYesYes
sensors
Face unlockYes-
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesNo
Temperature sensorYesNo
Fingerprint sensor-Yes
Barometer-No
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