Poco C81x vs Vivo Y21G comparison

Compare Poco C81x
Compare Vivo Y21G
key specs
Display6.88-inch6.51-inch
ProcessorUnisoc T7250-
Front Camera8-megapixel8-megapixel
Rear Camera13-megapixel13-megapixel + 2-megapixel
RAM3GB4GB
Storage64GB64GB
Battery Capacity5200mAh5000mAh
OSAndroid 15Android 12
Resolution720x1640 pixels720x1600 pixels
general
BrandPocoVivo
ModelC81xY21G
Release dateApril 23, 2026April 7, 2022
AI EnabledYes-
Launched in IndiaYesYes
Form factorTouchscreen-
Dimensions (mm)171.79 x 77.80 x 8.26164.26 x 76.08 x 8.00
Weight (g)193.00182.00
IP ratingIP52-
Battery capacity (mAh)52005000
Removable batteryNoNo
Fast charging15W Fast ChargingProprietary
Wireless chargingNo-
ColoursElite Black, Ice BlueDiamond Glow, Midnight Blue
Body type-Plastic
display
Refresh Rate120 Hz60 Hz
Resolution StandardHD+HD+
Screen size (inches)6.886.51
TouchscreenYes-
Resolution720x1640 pixels720x1600 pixels
hardware
Processor1.8GHz MHz octa-core-
Processor makeUnisoc T7250MediaTek
RAM3GB4GB
Internal storage64GB64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)2048-
Dedicated microSD slot-Yes
camera
Rear camera13-megapixel13-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras12
Rear autofocusYes-
Rear flashYes-
Front camera8-megapixel8-megapixel (f/2.0)
No. of Front Cameras11
Pop-Up CameraNo-
software
Operating systemAndroid 15Android 12
Skin-FunTouch OS 12
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.20Yes, v 5.00
USB Type-CYesYes
Headphones3.5mm-
Number of SIMs22
Active 4G on both SIM cardsYesYes
Wi-Fi standards supported-802.11 a/b/g/n/ac
USB OTG-Yes
FM-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM + CDMAGSM
4G/ LTEYesYes
5GYes-
3G-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM + CDMAGSM
4G/ LTEYesYes
5GYes-
3G-Yes
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-Yes

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