Xiaomi Redmi Note 12 4G vs Microsoft Lumia 640 Dual SIM comparison

Compare Xiaomi Redmi Note 12 4G
Compare Microsoft Lumia 640 Dual SIM
key specs
Display6.67-inch5.00-inch
Processorocta-coreQualcomm Snapdragon 400
Front Camera13-megapixel0.9-megapixel
Rear Camera50-megapixel + 8-megapixel + 2-megapixel8-megapixel
RAM6GB1GB
Storage64GB, 128GB8GB
Battery Capacity5000mAh2500mAh
OSAndroid 13Windows Phone 8.1
Resolution2400x1080 pixels720x1280 pixels
general
BrandXiaomiMicrosoft
ModelRedmi Note 12 4GLumia 640 Dual SIM
Release dateMarch 23, 2023February 1, 2015
Launched in IndiaNo-
Form factorTouchscreenTouchscreen
Dimensions (mm)165.66 x 75.96 x 7.85141.30 x 72.20 x 8.80
Weight (g)183.50145.00
Battery capacity (mAh)50002500
Removable batteryNoYes
Fast charging33W Fast Charging-
Wireless chargingNo-
ColoursIce Blue, Mint Blue, Onyx Grey-
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.675.00
TouchscreenYesYes
Resolution2400x1080 pixels720x1280 pixels
Pixels per inch (PPI)395294
hardware
Processorocta-core1.2GHz quad-core
RAM6GB1GB
Internal storage64GB, 128GB8GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)1000128
Dedicated microSD slotYes-
Processor make-Qualcomm Snapdragon 400
camera
Rear camera50-megapixel + 8-megapixel + 2-megapixel8-megapixel
No. of Rear Cameras3-
Front camera13-megapixel0.9-megapixel
No. of Front Cameras1-
Lens Type (Primary Rear Camera)Telephoto-
Lens Type (Second Rear Camera)Ultra Wide-Angle-
Lens Type (Third Rear Camera)Macro-
Rear flash-LED
software
Operating systemAndroid 13Windows Phone 8.1
SkinMIUI 14-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 b/g/n
GPSYesYes
BluetoothYes, v 5.00Yes
NFCYesNo
USB Type-CYes-
Headphones3.5mm3.5mm
Number of SIMs22
Active 4G on both SIM cardsYes-
Infrared-No
USB OTG-No
FM-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-No
sim 2
SIM TypeNano-SIMMicro-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-No
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesNo
Barometer-No
Temperature sensor-No

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