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Oppo K9 5G vs Vivo Y31 comparison

 Compare Oppo K9 5G
Oppo K9 5G
Compare Vivo Y31
Vivo Y31
key specs
Display6.43-inch6.58-inch
ProcessorQualcomm Snapdragon 768GQualcomm Snapdragon 662
Front Camera32-megapixel 16-megapixel
Rear Camera64-megapixel + 8-megapixel + 2-megapixel 48-megapixel + 2-megapixel + 2-megapixel
RAM8GB6GB
Storage128GB, 256GB128GB
Battery Capacity4300mAh5000mAh
OSAndroid 11Android 11
Resolution1080x2400 pixels1080x2408 pixels
general
BrandOppoVivo
ModelK9 5GY31
Release dateMay 6, 2021January 20, 2021
Launched in IndiaNoYes
Form factorTouchscreenTouchscreen
Dimensions (mm)159.10 x 73.40 x 7.90163.86 x 75.32 x 8.38
Weight (g)172.00188.00
Battery capacity (mAh)43005000
Fast chargingProprietaryProprietary
ColoursBlack, GradientOcean Blue, Racing Black
display
Screen size (inches)6.436.58
TouchscreenYesYes
Resolution1080x2400 pixels1080x2408 pixels
Aspect ratio20:920:9
Pixels per inch (PPI)410-
hardware
Processorocta-coreocta-core
Processor makeQualcomm Snapdragon 768GQualcomm Snapdragon 662
RAM8GB6GB
Internal storage128GB, 256GB128GB
camera
Rear camera64-megapixel (f/1.7) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)48-megapixel (f/1.79) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
No. of Rear Cameras3-
Rear autofocusYesYes
Rear flashYesYes
Front camera32-megapixel (f/2.4)16-megapixel (f/2.0)
No. of Front Cameras1-
Pop-Up CameraNo-
software
Operating systemAndroid 11Android 11
SkinColorOS 11.1Funtouch OS 11
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-
GPSYesYes
BluetoothYesYes, v 5.00
USB Type-CYesYes
Micro-USBNo-
LightningNo-
Headphones3.5mm-
Number of SIMs22
USB OTG-Yes
FM-Yes
sim 1
SIM TypeNano-SIMNano-SIM
3GYesYes
4G/ LTEYesYes
5GYes-
GSM/CDMA-GSM
sim 2
SIM TypeNano-SIMNano-SIM
3GYesYes
4G/ LTEYesYes
5GYes-
GSM/CDMA-GSM
sensors
In-Display Fingerprint SensorYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYes-
Fingerprint sensor-Yes
Compass/ Magnetometer-Yes

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