Microsoft Lumia 640 Dual SIM vs Lenovo S660 comparison

Compare Microsoft Lumia 640 Dual SIM
Compare Lenovo S660
key specs
Display5.00-inch4.70-inch
ProcessorQualcomm Snapdragon 400MediaTek MT6582M
Front Camera0.9-megapixel0.3-megapixel
Rear Camera8-megapixel8-megapixel
RAM1GB1GB
Storage8GB8GB
Battery Capacity2500mAh3000mAh
OSWindows Phone 8.1Android 4.2
Resolution720x1280 pixels540x960 pixels
general
BrandMicrosoftLenovo
ModelLumia 640 Dual SIMS660
Release dateFebruary 1, 2015February 1, 2014
Form factorTouchscreenTouchscreen
Dimensions (mm)141.30 x 72.20 x 8.80137.00 x 68.80 x 9.95
Weight (g)145.00151.00
Battery capacity (mAh)25003000
Removable batteryYesYes
Colours-Black
display
Screen size (inches)5.004.70
TouchscreenYesYes
Resolution720x1280 pixels540x960 pixels
Pixels per inch (PPI)294234
hardware
Processor1.2GHz quad-core1.3GHz quad-core
Processor makeQualcomm Snapdragon 400MediaTek MT6582M
RAM1GB1GB
Internal storage8GB8GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)12832
camera
Rear camera8-megapixel8-megapixel
Rear flashLEDLED
Front camera0.9-megapixel0.3-megapixel
software
Operating systemWindows Phone 8.1Android 4.2
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n
GPSYesYes
BluetoothYesYes, v 4.00
NFCNoNo
InfraredNoNo
USB OTGNoNo
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs22
Wi-Fi DirectNoNo
Mobile High-Definition Link (MHL)NoNo
sim 1
SIM TypeMicro-SIM-
GSM/CDMAGSMGSM
3GYesYes
4G/ LTENoNo
sim 2
SIM TypeMicro-SIM-
GSM/CDMAGSMGSM
3GYesYes
4G/ LTENoNo
sensors
Compass/ MagnetometerYesNo
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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