Redmi 9 vs Microsoft Lumia 640 XL comparison

Compare Redmi 9
Compare Microsoft Lumia 640 XL
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.53-inch5.70-inch
ProcessorMediaTek Helio G35Qualcomm Snapdragon 400
Front Camera5-megapixel 5-megapixel
Rear Camera13-megapixel + 2-megapixel 13-megapixel
RAM4GB1GB
Storage64GB8GB
Battery Capacity5000mAh3000mAh
OSAndroid 10Windows Phone 8.1
Resolution720x1600 pixels720x1280 pixels
general
BrandXiaomiMicrosoft
ModelRedmi 9Lumia 640 XL
Release date27th August 2020March 2015
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)164.90 x 77.07 x 9.00157.90 x 81.50 x 9.00
Weight (g)196.00171.00
Battery capacity (mAh)50003000
Fast chargingProprietary-
ColoursCarbon Black, Sporty Orange, Sky Blue-
Removable battery-Yes
display
Screen size (inches)6.535.70
TouchscreenYesYes
Resolution720x1600 pixels720x1280 pixels
Aspect ratio20:9-
Pixels per inch (PPI)-259
hardware
Processorocta-core1.2GHz quad-core
Processor makeMediaTek Helio G35Qualcomm Snapdragon 400
RAM4GB1GB
Internal storage64GB8GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)512128
Dedicated microSD slotYes-
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)13-megapixel
Rear autofocusYes-
Rear flashYesLED
Front camera5-megapixel (f/2.2, 1.12-micron)5-megapixel
software
Operating systemAndroid 10Windows Phone 8.1
SkinMIUI 12-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.00
Micro-USBYes-
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs21
NFC-Yes
Infrared-No
USB OTG-No
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesNo
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
sensors
Face unlockYes-
Fingerprint sensorYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Compass/ Magnetometer-Yes
Gyroscope-No
Barometer-No
Temperature sensor-No
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