Microsoft Lumia 550 vs Microsoft Lumia 640 XL LTE Dual SIM comparison

Compare Microsoft Lumia 550
Compare Microsoft Lumia 640 XL LTE Dual SIM
key specs
Display4.70-inch5.70-inch
ProcessorQualcomm Snapdragon 210Qualcomm Snapdragon 400
Front Camera2-megapixel5-megapixel
Rear Camera5-megapixel13-megapixel
RAM1GB1GB
Storage8GB8GB
Battery Capacity2100mAh3120mAh
OSWindows 10 MobileWindows Phone 8.1
Resolution720x1280 pixels720x1280 pixels
general
BrandMicrosoftMicrosoft
ModelLumia 550Lumia 640 XL LTE Dual SIM
Release dateOctober 1, 2015March 1, 2015
Form factorTouchscreenTouchscreen
Dimensions (mm)136.10 x 67.80 x 9.90157.90 x 81.50 x 9.00
Battery capacity (mAh)21003120
Removable batteryYesYes
ColoursWhite, Black-
Weight (g)-171.00
display
Screen size (inches)4.705.70
TouchscreenYesYes
Resolution720x1280 pixels720x1280 pixels
Pixels per inch (PPI)315259
hardware
Processor1.1GHz quad-core1.2GHz quad-core
Processor makeQualcomm Snapdragon 210Qualcomm Snapdragon 400
RAM1GB1GB
Internal storage8GB8GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)200128
camera
Rear camera5-megapixel13-megapixel
Rear flashLEDLED
Front camera2-megapixel5-megapixel
software
Operating systemWindows 10 MobileWindows Phone 8.1
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n
GPSYesYes
BluetoothYes, v 4.10Yes, v 4.00
NFCNoYes
InfraredNoNo
USB OTGNoNo
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs12
Wi-Fi DirectYesYes
Mobile High-Definition Link (MHL)NoNo
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Compass/ MagnetometerNoYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeNoNo
BarometerNoNo
Temperature sensorNoNo
sim 2
SIM Type-Micro-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes

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