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Redmi A3 vs Microsoft Lumia 640 comparison

 Compare Redmi A3
Redmi A3
Compare Microsoft Lumia 640
Microsoft Lumia 640
key specs
Display6.71-inch5.00-inch
Front Camera5-megapixel0.9-megapixel
Rear Camera8-megapixel8-megapixel
RAM3GB, 4GB, 6GB1GB
Storage64GB, 128GB8GB
Battery Capacity5000mAh2500mAh
OSAndroid 13Windows Phone 8.1
Resolution700x1600 pixels720x1280 pixels
Processor-Qualcomm Snapdragon 400
general
BrandRedmiMicrosoft
ModelA3Lumia 640
Release dateFebruary 14, 2024February 1, 2015
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)76.30 x 168.40 x 8.30141.30 x 72.20 x 8.80
Weight (g)193.00145.00
Battery capacity (mAh)50002500
Fast chargingProprietary-
ColoursMidnight Black, Lake Blue, Olive Green-
Removable battery-Yes
display
Refresh Rate90 Hz-
Resolution StandardHD+-
Screen size (inches)6.715.00
TouchscreenYesYes
Resolution700x1600 pixels720x1280 pixels
Pixels per inch (PPI)-294
hardware
Processor makeMediaTek Helio G36Qualcomm Snapdragon 400
RAM3GB, 4GB, 6GB1GB
Internal storage64GB, 128GB8GB
Processor-1.2GHz quad-core
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-128
camera
Rear camera8-megapixel8-megapixel
No. of Rear Cameras2-
Front camera5-megapixel0.9-megapixel
No. of Front Cameras1-
Pop-Up CameraNo-
Rear flash-LED
software
Operating systemAndroid 13Windows Phone 8.1
SkinGo Edition-
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYesYes
USB Type-CYes-
Active 4G on both SIM cardsYes-
Wi-Fi standards supported-802.11 b/g/n
NFC-No
Infrared-No
USB OTG-No
Headphones-3.5mm
FM-No
Number of SIMs-1
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sensors
Fingerprint sensorYes-
AccelerometerYesYes
Compass/ Magnetometer-Yes
Proximity sensor-Yes
Ambient light sensor-Yes
Gyroscope-No
Barometer-No
Temperature sensor-No
sim 1
SIM Type-Micro-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-No

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