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OPPO K13x 5G vs Samsung Galaxy A31 comparison

 Compare OPPO K13x 5G
OPPO K13x 5G
Compare Samsung Galaxy A31
Samsung Galaxy A31
ratings
Overall NDTV RatingRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.67-inch6.40-inch
ProcessorMediaTek Dimensity 6300MediaTek Helio P65
Front Camera8-megapixel 20-megapixel
Rear Camera50-megapixel + 2-megapixel 48-megapixel + 8-megapixel + 5-megapixel + 5-megapixel
RAM4GB, 6GB, 8GB6GB
Storage128GB128GB
Battery Capacity6000mAh5000mAh
OSAndroid 15Android 10
Resolution720x1604 pixels1080x2400 pixels
general
BrandOPPOSamsung
ModelK13x 5GGalaxy A31
Release dateJune 23, 2025March 24, 2020
AI EnabledYes-
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)165.70 x 76.24 x 7.99159.30 x 73.10 x 8.60
Weight (g)194.00185.00
IP ratingIP65-
Battery capacity (mAh)60005000
Fast charging45W Fast ChargingProprietary
ColoursMidnight Violet, Sunset PeachPrism Crush Black, Prism Crush Blue, Prism Crush White
Removable battery-No
Wireless charging-No
display
Refresh Rate120 Hz-
Resolution StandardHD+-
Screen size (inches)6.676.40
TouchscreenYesYes
Resolution720x1604 pixels1080x2400 pixels
Aspect ratio-20:9
hardware
Processorocta-core2GHz octa-core (2x2GHz + 6x1.7GHz)
Processor makeMediaTek Dimensity 6300MediaTek Helio P65
RAM4GB, 6GB, 8GB6GB
Internal storage128GB128GB
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-512
camera
Rear camera50-megapixel (f/1.8) + 2-megapixel (f/2.4)48-megapixel (f/2.0) + 8-megapixel (f/2.2) + 5-megapixel (f/2.4) + 5-megapixel (f/2.4)
No. of Rear Cameras2-
Rear flashYesYes
Front camera8-megapixel (f/2.0)20-megapixel (f/2.2)
No. of Front Cameras1-
Rear autofocus-Yes
software
Operating systemAndroid 15Android 10
SkinColorOS 15One UI 2.1
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n
GPSYesYes
BluetoothYes, v 5.40Yes
NFCYesYes
USB Type-CYesYes
Headphones3.5mm-
Number of SIMs22
Active 4G on both SIM cardsYes-
sim 1
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sim 2
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sensors
Face unlock-Yes
In-Display Fingerprint Sensor-Yes
Compass/ Magnetometer-Yes
Proximity sensor-Yes
Accelerometer-Yes
Ambient light sensor-Yes
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