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OPPO K13x 5G vs Vivo Y21 comparison

 Compare OPPO K13x 5G
OPPO K13x 5G
Compare Vivo Y21
Vivo Y21
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.67-inch6.50-inch
ProcessorMediaTek Dimensity 6300MediaTek Helio P35
Front Camera8-megapixel 8-megapixel
Rear Camera50-megapixel + 2-megapixel 13-megapixel + 2-megapixel
RAM4GB, 6GB, 8GB4GB
Storage128GB128GB
Battery Capacity6000mAh5000mAh
OSAndroid 15Android 11
Resolution720x1604 pixels720x1600 pixels
general
BrandOPPOVivo
ModelK13x 5GY21
Release dateJune 23, 2025-
AI EnabledYes-
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)165.70 x 76.24 x 7.99164.26 x 76.08 x 8.00
Weight (g)194.00182.00
IP ratingIP65-
Battery capacity (mAh)60005000
Fast charging45W Fast ChargingProprietary
ColoursMidnight Violet, Sunset PeachMidnight Blue, Diamond Black
display
Refresh Rate120 Hz-
Resolution StandardHD+-
Screen size (inches)6.676.50
TouchscreenYesYes
Resolution720x1604 pixels720x1600 pixels
hardware
Processorocta-coreocta-core
Processor makeMediaTek Dimensity 6300MediaTek Helio P35 (MT6765)
RAM4GB, 6GB, 8GB4GB
Internal storage128GB128GB
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-1000
Dedicated microSD slot-Yes
camera
Rear camera50-megapixel (f/1.8) + 2-megapixel (f/2.4)13-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras22
Rear flashYesLED
Front camera8-megapixel (f/2.0)8-megapixel (f/2.0)
No. of Front Cameras11
Rear autofocus-Yes
software
Operating systemAndroid 15Android 11
SkinColorOS 15Funtouch OS 11.1
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-
GPSYes-
BluetoothYes, v 5.40Yes, v 5.00
NFCYes-
USB Type-CYes-
Headphones3.5mm-
Number of SIMs2-
Active 4G on both SIM cardsYes-
USB OTG-Yes
sensors
Fingerprint sensor-Yes
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