Samsung Galaxy M21 2021 Edition vs Microsoft Lumia 640 XL LTE Dual SIM comparison

Compare Samsung Galaxy M21 2021 Edition
Compare Microsoft Lumia 640 XL LTE Dual SIM
key specs
Display6.40-inch5.70-inch
Front CameraYes5-megapixel
Rear Camera48-megapixel13-megapixel
Battery Capacity6000mAh3120mAh
OSAndroid 11Windows Phone 8.1
Resolution1080x2340 pixels720x1280 pixels
Processor-Qualcomm Snapdragon 400
RAM-1GB
Storage-8GB
general
BrandSamsungMicrosoft
ModelGalaxy M21 2021 EditionLumia 640 XL LTE Dual SIM
Release dateJuly 21, 2021March 1, 2015
Launched in IndiaNo-
Form factorTouchscreenTouchscreen
Battery capacity (mAh)60003120
ColoursArctic Blue, Charcoal Black-
Dimensions (mm)-157.90 x 81.50 x 9.00
Weight (g)-171.00
Removable battery-Yes
display
Screen size (inches)6.405.70
TouchscreenYesYes
Resolution1080x2340 pixels720x1280 pixels
Aspect ratio19.5:9-
Pixels per inch (PPI)-259
camera
Rear camera48-megapixel13-megapixel
No. of Rear Cameras3-
Rear autofocusYes-
Rear flashYesLED
Front cameraYes5-megapixel
No. of Front Cameras1-
software
Operating systemAndroid 11Windows Phone 8.1
SkinOne UI Core 3.1-
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYesYes, v 4.00
USB Type-CYes-
Number of SIMs22
Wi-Fi standards supported-802.11 b/g/n
NFC-Yes
Infrared-No
USB OTG-No
Headphones-3.5mm
FM-Yes
Wi-Fi Direct-Yes
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Fingerprint sensorYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Compass/ Magnetometer-Yes
Gyroscope-No
Barometer-No
Temperature sensor-No
hardware
Processor-1.2GHz quad-core
Processor make-Qualcomm Snapdragon 400
RAM-1GB
Internal storage-8GB
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-128

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