Microsoft Lumia 540 Dual SIM vs Microsoft Lumia 640 Dual SIM comparison

Compare Microsoft Lumia 540 Dual SIM
Compare Microsoft Lumia 640 Dual SIM
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display5.00-inch5.00-inch
ProcessorQualcomm Snapdragon 200Qualcomm Snapdragon 400
Front Camera5-megapixel0.9-megapixel
Rear Camera8-megapixel8-megapixel
RAM1GB1GB
Storage8GB8GB
Battery Capacity2200mAh2500mAh
OSWindows Phone 8.1Windows Phone 8.1
Resolution720x1280 pixels720x1280 pixels
general
BrandMicrosoftMicrosoft
ModelLumia 540 Dual SIMLumia 640 Dual SIM
Form factorTouchscreenTouchscreen
Dimensions (mm)144.00 x 73.69 x 9.37141.30 x 72.20 x 8.80
Weight (g)152.00145.00
Battery capacity (mAh)22002500
Removable batteryYesYes
ColoursCyan, Orange, White, Black-
Release date-February 1, 2015
display
Screen size (inches)5.005.00
TouchscreenYesYes
Resolution720x1280 pixels720x1280 pixels
Pixels per inch (PPI)294294
hardware
Processor1.2GHz quad-core1.2GHz quad-core
Processor makeQualcomm Snapdragon 200Qualcomm Snapdragon 400
RAM1GB1GB
Internal storage8GB8GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)128128
camera
Rear camera8-megapixel8-megapixel
Rear flashLEDLED
Front camera5-megapixel0.9-megapixel
software
Operating systemWindows Phone 8.1Windows Phone 8.1
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n
GPSYesYes
BluetoothYes, v 4.00Yes
NFCNoNo
InfraredNoNo
USB OTGNoNo
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs22
Wi-Fi DirectNoNo
Mobile High-Definition Link (MHL)NoNo
sim 1
SIM TypeMicro-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTENoNo
sim 2
SIM TypeMicro-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTENoNo
sensors
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeNoNo
BarometerNoNo
Temperature sensorNoNo

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