Poco C81x vs Xiaomi Redmi S2 comparison

Compare Poco C81x
Compare Xiaomi Redmi S2
key specs
Display6.88-inch5.99-inch
ProcessorUnisoc T7250Qualcomm Snapdragon 625
Front Camera8-megapixel16-megapixel
Rear Camera13-megapixel12-megapixel
RAM3GB3GB
Storage64GB32GB
Battery Capacity5200mAh3080mAh
OSAndroid 15Android 8.1 Oreo
Resolution720x1640 pixels720x1440 pixels
general
BrandPocoXiaomi
ModelC81xRedmi S2
Release dateApril 23, 2026May 1, 2018
AI EnabledYes-
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)171.79 x 77.80 x 8.26160.73 x 77.26 x 8.10
Weight (g)193.00170.00
IP ratingIP52-
Battery capacity (mAh)52003080
Removable batteryNoNo
Fast charging15W Fast Charging-
Wireless chargingNo-
ColoursElite Black, Ice BlueBlack, Rose Gold, Gold, White, Blue, Red, Pink, Gray, Silver
display
Refresh Rate120 Hz-
Resolution StandardHD+-
Screen size (inches)6.885.99
TouchscreenYesYes
Resolution720x1640 pixels720x1440 pixels
hardware
Processor1.8GHz MHz octa-core2GHz octa-core
Processor makeUnisoc T7250Qualcomm Snapdragon 625
RAM3GB3GB
Internal storage64GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)2048256
camera
Rear camera13-megapixel12-megapixel
No. of Rear Cameras1-
Rear autofocusYes-
Rear flashYesLED
Front camera8-megapixel16-megapixel
No. of Front Cameras1-
Pop-Up CameraNo-
Front flash-Yes
software
Operating systemAndroid 15Android 8.1 Oreo
Skin-MIUI 9
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.20Yes, v 4.20
USB Type-CYes-
Headphones3.5mm-
Number of SIMs22
Active 4G on both SIM cardsYes-
Wi-Fi standards supported-802.11 b/g/n
Infrared-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 sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-Yes

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