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OPPO K13 5G vs Oppo A31 (2020) comparison

 Compare OPPO K13 5G
OPPO K13 5G
Compare Oppo A31 (2020)
Oppo A31 (2020)
key specs
Display6.70-inch6.50-inch
ProcessorQualcomm Snapdragon 6 Gen 4MediaTek Helio P35
Front Camera16-megapixel 8-megapixel
Rear Camera50-megapixel + 2-megapixel12-megapixel + 2-megapixel + 2-megapixel
RAM8GB4GB
Storage128GB, 256GB64GB
Battery Capacity7000mAh4230mAh
OSAndroid 15Android 9
Resolution1080x2400 pixels720x1600 pixels
general
BrandOPPOOppo
ModelK13 5GA31 (2020)
Release dateApril 21, 2025February 14, 2020
AI EnabledYes-
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Thickness8.45-
Weight (g)208.00180.00
IP ratingIP65-
Battery capacity (mAh)70004230
Fast charging80W Fast Charging-
ColoursIcy Purple, Prism BlackMystery Black, Fantasy White
Body type-Plastic
Dimensions (mm)-163.90 x 75.50 x 8.30
Removable battery-No
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.706.50
TouchscreenYesYes
Resolution1080x2400 pixels720x1600 pixels
Aspect ratio-20:9
hardware
Processorocta-core2.3GHz octa-core
Processor makeQualcomm Snapdragon 6 Gen 4MediaTek Helio P35 (MT6765)
RAM8GB4GB
Internal storage128GB, 256GB64GB
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-256
Dedicated microSD slot-Yes
camera
Rear camera50-megapixel (f/1.85) + 2-megapixel12-megapixel (f/1.8) + 2-megapixel (f/2.4, 1.75-micron) + 2-megapixel (f/2.4, 1.75-micron)
No. of Rear Cameras2-
Front camera16-megapixel (f/2.4)8-megapixel (f/2.0)
No. of Front Cameras1-
Rear autofocus-Yes
Rear flash-Yes
Pop-Up Camera-No
Front autofocus-No
Front flash-No
software
Operating systemAndroid 15Android 9
SkinColorOS 15ColorOS 6.1.2
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac
GPSYesYes
BluetoothYesYes, v 5.00
USB Type-CYes-
Number of SIMs22
Active 4G on both SIM cardsYes-
NFC-No
Micro-USB-Yes
Headphones-3.5mm
FM-Yes
sim 2
SIM TypeNano-SIMNano-SIM
4G/ LTEYesYes
5GYes-
GSM/CDMA-GSM
3G-Yes
sensors
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYes-
Face unlock-Yes
Fingerprint sensor-Yes
sim 1
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
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