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Poco C71 vs Microsoft Lumia 640 Dual SIM comparison

 Compare Poco C71
Poco C71
Compare Microsoft Lumia 640 Dual SIM
Microsoft Lumia 640 Dual SIM
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.88-inch5.00-inch
ProcessorUnisoc T7250Qualcomm Snapdragon 400
Front Camera8-megapixel 0.9-megapixel
Rear Camera32-megapixel 8-megapixel
RAM4GB, 6GB1GB
Storage64GB, 128GB8GB
Battery Capacity5200mAh2500mAh
OSAndroid 15 (Go Edition)Windows Phone 8.1
Resolution720x1640 pixels720x1280 pixels
general
BrandPocoMicrosoft
ModelC71Lumia 640 Dual SIM
Release dateApril 4, 2025February 1, 2015
Launched in IndiaNo-
Form factorTouchscreenTouchscreen
Dimensions (mm)171.70 x 77.80 x 8.26141.30 x 72.20 x 8.80
Weight (g)193.00145.00
IP ratingIP52-
Battery capacity (mAh)52002500
Removable batteryNoYes
Fast charging15W Fast Charging-
Wireless chargingNo-
ColoursCool Blue, Desert Gold, Power Black-
display
Refresh Rate120 Hz-
Resolution StandardHD+-
Screen size (inches)6.885.00
TouchscreenYesYes
Resolution720x1640 pixels720x1280 pixels
Pixels per inch (PPI)260294
hardware
Processorocta-core1.2GHz quad-core
Processor makeUnisoc T7250Qualcomm Snapdragon 400
RAM4GB, 6GB1GB
Internal storage64GB, 128GB8GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)1000128
Dedicated microSD slotYes-
camera
Rear camera32-megapixel (f/2.2)8-megapixel
No. of Rear Cameras2-
Rear flashYesLED
Front camera8-megapixel (f/2.2)0.9-megapixel
No. of Front Cameras1-
software
Operating systemAndroid 15 (Go Edition)Windows Phone 8.1
SkinHyperOS-
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.20Yes
USB Type-CYes-
Headphones3.5mm3.5mm
Number of SIMs22
Wi-Fi standards supported-802.11 b/g/n
NFC-No
Infrared-No
USB OTG-No
FM-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSM + CDMAGSM
3GYesYes
4G/ LTEYesNo
sim 2
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSM + CDMAGSM
3GYesYes
4G/ LTEYesNo
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorNoYes
Gyroscope-No
Barometer-No
Temperature sensor-No
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