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Poco C81x vs Infinix Smart 4 comparison

 Compare Poco C81x
Poco C81x
Compare Infinix Smart 4
Infinix Smart 4
key specs
Display6.88-inch6.82-inch
ProcessorUnisoc T7250MediaTek Helio A22
Front Camera8-megapixel8-megapixel
Rear Camera13-megapixel13-megapixel + Depth
RAM3GB2GB
Storage64GB32GB
Battery Capacity5200mAh6000mAh
OSAndroid 15Android 10
Resolution720x1640 pixels720x1640 pixels
general
BrandPocoInfinix
ModelC81xSmart 4
Release dateApril 23, 2026November 3, 2020
AI EnabledYes-
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)171.79 x 77.80 x 8.26171.82 x 77.96 x 8.90
Weight (g)193.00207.00
IP ratingIP52-
Battery capacity (mAh)52006000
Removable batteryNo-
Fast charging15W Fast ChargingProprietary
Wireless chargingNo-
ColoursElite Black, Ice BlueMidnight Black, Ocean Wave, Quetzal Cyan, Violet
display
Refresh Rate120 Hz-
Resolution StandardHD+-
Screen size (inches)6.886.82
TouchscreenYesYes
Resolution720x1640 pixels720x1640 pixels
Aspect ratio-20.5:9
hardware
Processor1.8GHz MHz octa-core2GHz octa-core
Processor makeUnisoc T7250MediaTek Helio A22 (MT6761)
RAM3GB2GB
Internal storage64GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)2048-
Dedicated microSD slot-Yes
camera
Rear camera13-megapixel13-megapixel (f/1.8) + Depth
No. of Rear Cameras1-
Rear autofocusYesYes
Rear flashYesYes
Front camera8-megapixel8-megapixel (f/2.0)
No. of Front Cameras1-
Pop-Up CameraNo-
software
Operating systemAndroid 15Android 10
Skin-XOS 6.2 Dolphin
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.20Yes, v 4.20
USB Type-CYes-
Headphones3.5mm3.5mm
Number of SIMs22
Active 4G on both SIM cardsYes-
Wi-Fi standards supported-802.11 a/b/g/n
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
Gyroscope-Yes
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