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Poco C81x vs Realme C21Y comparison

 Compare Poco C81x
Poco C81x
Compare Realme C21Y
Realme C21Y
key specs
Display6.88-inch6.50-inch
ProcessorUnisoc T7250Unisoc T610
Front Camera8-megapixel5-megapixel
Rear Camera13-megapixel13-megapixel + 2-megapixel + 2-megapixel
RAM3GB3GB, 4GB
Storage64GB32GB, 64GB
Battery Capacity5200mAh5000mAh
OSAndroid 15Android 11
Resolution720x1640 pixels720x1600 pixels
general
BrandPocoRealme
ModelC81xC21Y
Release dateApril 23, 2026July 14, 2021
AI EnabledYes-
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)171.79 x 77.80 x 8.26164.50 x 76.00 x 9.10
Weight (g)193.00200.00
IP ratingIP52-
Battery capacity (mAh)52005000
Removable batteryNo-
Fast charging15W Fast ChargingProprietary
Wireless chargingNo-
ColoursElite Black, Ice BlueCross Black, Cross Blue
display
Refresh Rate120 Hz-
Resolution StandardHD+-
Screen size (inches)6.886.50
TouchscreenYesYes
Resolution720x1640 pixels720x1600 pixels
Aspect ratio-20:9
hardware
Processor1.8GHz MHz octa-coreocta-core
Processor makeUnisoc T7250Unisoc T610
RAM3GB3GB, 4GB
Internal storage64GB32GB, 64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)2048256
Dedicated microSD slot-Yes
camera
Rear camera13-megapixel13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
No. of Rear Cameras13
Rear autofocusYesYes
Rear flashYesYes
Front camera8-megapixel5-megapixel (f/2.4)
No. of Front Cameras11
Pop-Up CameraNo-
software
Operating systemAndroid 15Android 11
Skin-Realme UI
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.20Yes, v 5.00
USB Type-CYes-
Headphones3.5mm3.5mm
Number of SIMs22
Active 4G on both SIM cardsYes-
Micro-USB-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
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