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Microsoft Lumia 640 Dual SIM vs Nokia Lumia 730 Dual SIM comparison

 Compare Microsoft Lumia 640 Dual SIM
Microsoft Lumia 640 Dual SIM
Compare Nokia Lumia 730 Dual SIM
Nokia Lumia 730 Dual SIM
key specs
Display5.00-inch4.70-inch
ProcessorQualcomm Snapdragon 400Qualcomm Snapdragon 400
Front Camera0.9-megapixel5-megapixel
Rear Camera8-megapixel6.7-megapixel
RAM1GB1GB
Storage8GB8GB
Battery Capacity2500mAh2220mAh
OSWindows Phone 8.1Windows Phone 8.1
Resolution720x1280 pixels720x1280 pixels
general
BrandMicrosoftNokia
ModelLumia 640 Dual SIMLumia 730 Dual SIM
Release dateFebruary 1, 2015September 1, 2014
Form factorTouchscreenTouchscreen
Dimensions (mm)141.30 x 72.20 x 8.80134.70 x 68.50 x 8.70
Weight (g)145.00130.40
Battery capacity (mAh)25002220
Removable batteryYesYes
Colours-green, orange, white and black
SAR value-0.50
display
Screen size (inches)5.004.70
TouchscreenYesYes
Resolution720x1280 pixels720x1280 pixels
Pixels per inch (PPI)294316
hardware
Processor1.2GHz quad-core1.2GHz quad-core
Processor makeQualcomm Snapdragon 400Qualcomm Snapdragon 400
RAM1GB1GB
Internal storage8GB8GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)128128
camera
Rear camera8-megapixel6.7-megapixel
Rear flashLEDLED
Front camera0.9-megapixel5-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
BluetoothYesYes, v 4.00
NFCNoYes
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
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
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