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Oppo K13 Turbo vs Vivo X21s comparison

 Compare Oppo K13 Turbo
Oppo K13 Turbo
Compare Vivo X21s
Vivo X21s
key specs
Display6.80-inch6.41-inch
Front Camera16-megapixel 24.8-megapixel
Rear Camera50-megapixel + 2-megapixel 12-megapixel + 5-megapixel
RAM8GB6GB
Storage128GB, 256GB128GB
Battery Capacity7000mAh3400mAh
OSAndroid 15Android 8.1 Oreo
Resolution1280x2800 pixels1080x2340 pixels
Processor-Qualcomm Snapdragon 660
general
BrandOppoVivo
ModelK13 TurboX21s
Release dateJuly 21, 2025November 1, 2018
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)162.78 x 77.22 x 8.31157.91 x 75.08 x 7.90
Weight (g)207.00156.00
Battery capacity (mAh)70003400
Removable batteryNo-
Fast charging80W Fast Charging-
Wireless chargingNo-
ColoursFirst Purple, Knight White, Midnight MaverickStarry Night Black
display
Refresh Rate120 Hz-
Resolution Standard1.5K-
Screen size (inches)6.806.41
TouchscreenYesYes
Resolution1280x2800 pixels1080x2340 pixels
Pixels per inch (PPI)453-
Aspect ratio-19.5:9
hardware
Processor makeMediaTek Dimensity 8450Qualcomm Snapdragon 660
RAM8GB6GB
Internal storage128GB, 256GB128GB
Processor-octa-core
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-256
camera
Rear camera50-megapixel (f/1.8) + 2-megapixel (f/2.4)12-megapixel + 5-megapixel
No. of Rear Cameras2-
Rear flashYes-
Front camera16-megapixel (f/2.4)24.8-megapixel
No. of Front Cameras1-
Rear autofocus-Yes
software
Operating systemAndroid 15Android 8.1 Oreo
SkinColorOS 15-
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.40Yes
NFCYes-
USB Type-CYes-
HeadphonesType-C3.5mm
Number of SIMs22
Active 4G on both SIM cardsYes-
Micro-USB-Yes
sim 1
SIM TypeNano-SIM-
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sim 2
SIM TypeNano-SIM-
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sensors
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Face unlock-Yes
Fingerprint sensor-Yes
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