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Poco C81x vs Samsung Galaxy J7 Duo comparison

 Compare Poco C81x
Poco C81x
Compare Samsung Galaxy J7 Duo
Samsung Galaxy J7 Duo
key specs
Display6.88-inch5.50-inch
ProcessorUnisoc T7250Samsung Exynos 7885
Front Camera8-megapixel8-megapixel
Rear Camera13-megapixel13-megapixel + 5-megapixel
RAM3GB4GB
Storage64GB32GB
Battery Capacity5200mAh3000mAh
OSAndroid 15Android Oreo
Resolution720x1640 pixels720x1280 pixels
general
BrandPocoSamsung
ModelC81xGalaxy J7 Duo
Release dateApril 23, 2026March 1, 2018
AI EnabledYes-
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)171.79 x 77.80 x 8.26153.50 x 77.20 x 8.20
Weight (g)193.00174.00
IP ratingIP52-
Battery capacity (mAh)52003000
Removable batteryNo-
Fast charging15W Fast Charging-
Wireless chargingNo-
ColoursElite Black, Ice BlueBlack and Gold
display
Refresh Rate120 Hz-
Resolution StandardHD+-
Screen size (inches)6.885.50
TouchscreenYesYes
Resolution720x1640 pixels720x1280 pixels
Aspect ratio-16:9
Pixels per inch (PPI)-267
hardware
Processor1.8GHz MHz octa-coreocta-core (2x2.2GHz + 6x1.6GHz)
Processor makeUnisoc T7250Samsung Exynos 7885
RAM3GB4GB
Internal storage64GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)2048256
camera
Rear camera13-megapixel13-megapixel (f/1.9) + 5-megapixel (f/1.9)
No. of Rear Cameras1-
Rear autofocusYesYes
Rear flashYesLED
Front camera8-megapixel8-megapixel (f/1.9)
No. of Front Cameras1-
Pop-Up CameraNo-
Front flash-LED
software
Operating systemAndroid 15Android Oreo
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.20Yes, v 5.00
USB Type-CYes-
Headphones3.5mm-
Number of SIMs22
Active 4G on both SIM cardsYes-
Wi-Fi standards supported-802.11 a/b/g/n/ac
NFC-No
FM-Yes
sim 1
SIM TypeNano-SIM-
GSM/CDMAGSM + CDMA-
4G/ LTEYes-
5GYes-
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSM + CDMA-
4G/ LTEYes-
5GYes-
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYes-
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