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Microsoft Surface Duo 2 vs Microsoft Lumia 640 Dual SIM

Microsoft Surface Duo 2 vs Microsoft Lumia 640 Dual SIM comparison

Show Only Differences Highlight Differences	Microsoft Surface Duo 2	Microsoft Lumia 640 Dual SIM
key specs
Display (Primary)	5.80-inch	-
Processor	Qualcomm Snapdragon 888	Qualcomm Snapdragon 400
Front Camera	12-megapixel	0.9-megapixel
Rear Camera	12-megapixel + 16-megapixel + 12-megapixel	8-megapixel
RAM	8GB	1GB
Storage	128GB	8GB
Battery Capacity	4449mAh	2500mAh
OS	Android 11	Windows Phone 8.1
Resolution	1344x1892 pixels	720x1280 pixels
Display	-	5.00-inch
general
Brand	Microsoft	Microsoft
Model	Surface Duo 2	Lumia 640 Dual SIM
Release date	September 22, 2021	February 1, 2015
Launched in India	No	-
Form factor	Foldable	Touchscreen
Dimensions (mm)	145.20 x 92.10 x 11.00	141.30 x 72.20 x 8.80
Weight (g)	284.00	145.00
Battery capacity (mAh)	4449	2500
Fast charging	Proprietary	-
Colours	Glacier, Obsidian	-
Removable battery	-	Yes
display
Screen size (inches)	5.80	5.00
Touchscreen	Yes	Yes
Resolution	1344x1892 pixels	720x1280 pixels
Protection type	Gorilla Glass	-
Pixels per inch (PPI)	-	294
second display
Screen size (inches)	5.80	-
Touchscreen	Yes	-
Resolution	1344x1892 pixels	-
Protection type	Gorilla Glass	-
hardware
Processor	octa-core	1.2GHz quad-core
Processor make	Qualcomm Snapdragon 888	Qualcomm Snapdragon 400
RAM	8GB	1GB
Internal storage	128GB	8GB
Expandable storage	-	Yes
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	128
camera
Rear camera	12-megapixel (f/1.7, 1.4-micron) + 16-megapixel (f/2.2, 1.0-micron) + 12-megapixel (f/2.4, 1.0-micron)	8-megapixel
No. of Rear Cameras	3	-
Rear autofocus	Yes	-
Rear flash	Yes	LED
Front camera	12-megapixel (f/2.0, 1.0-micron)	0.9-megapixel
No. of Front Cameras	1	-
software
Operating system	Android 11	Windows Phone 8.1
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n/ac/ax	802.11 b/g/n
GPS	Yes	Yes
Bluetooth	Yes, v 5.10	Yes
NFC	Yes	No
USB Type-C	Yes	-
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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