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Microsoft Surface Duo vs Microsoft Lumia 640 Dual SIM

Microsoft Surface Duo vs Microsoft Lumia 640 Dual SIM comparison

Show Only Differences Highlight Differences	Microsoft Surface Duo	Microsoft Lumia 640 Dual SIM
key specs
Display (Primary)	5.60-inch	-
Processor	Qualcomm Snapdragon 855	Qualcomm Snapdragon 400
Front Camera	Unspecified	0.9-megapixel
OS	Android	Windows Phone 8.1
Display	-	5.00-inch
Rear Camera	-	8-megapixel
RAM	-	1GB
Storage	-	8GB
Battery Capacity	-	2500mAh
Resolution	-	720x1280 pixels
general
Brand	Microsoft	Microsoft
Model	Surface Duo	Lumia 640 Dual SIM
Body type	Glass	-
Removable battery	No	Yes
Release date	-	February 1, 2015
Form factor	-	Touchscreen
Dimensions (mm)	-	141.30 x 72.20 x 8.80
Weight (g)	-	145.00
Battery capacity (mAh)	-	2500
display
Screen size (inches)	5.60	5.00
Touchscreen	Yes	Yes
Resolution	-	720x1280 pixels
Pixels per inch (PPI)	-	294
second display
Screen size (inches)	5.60	-
Touchscreen	Yes	-
hardware
Processor	octa-core	1.2GHz quad-core
Processor make	Qualcomm Snapdragon 855	Qualcomm Snapdragon 400
RAM	-	1GB
Internal storage	-	8GB
Expandable storage	-	Yes
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	128
camera
Front camera	Unspecified	0.9-megapixel
Rear camera	-	8-megapixel
Rear flash	-	LED
software
Operating system	Android	Windows Phone 8.1
connectivity
Wi-Fi	Yes	Yes
Bluetooth	Yes	Yes
USB Type-C	Yes	-
Wi-Fi standards supported	-	802.11 b/g/n
GPS	-	Yes
NFC	-	No
Infrared	-	No
USB OTG	-	No
Headphones	-	3.5mm
FM	-	Yes
Number of SIMs	-	2
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
sensors
Fingerprint sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	No
Barometer	-	No
Temperature sensor	-	No
sim 1
SIM Type	-	Micro-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	No
sim 2
SIM Type	-	Micro-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	No

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