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Microsoft Lumia 640 XL LTE Dual SIM vs Nokia Lumia 638

Microsoft Lumia 640 XL LTE Dual SIM vs Nokia Lumia 638 comparison

Show Only Differences Highlight Differences	Microsoft Lumia 640 XL LTE Dual SIM	Nokia Lumia 638
key specs
Display	5.70-inch	4.50-inch
Processor	Qualcomm Snapdragon 400	Qualcomm Snapdragon 400
Front Camera	5-megapixel	No
Rear Camera	13-megapixel	5-megapixel
RAM	1GB	1GB
Storage	8GB	8GB
Battery Capacity	3120mAh	1830mAh
OS	Windows Phone 8.1	Windows Phone 8.1
Resolution	720x1280 pixels	480x854 pixels
general
Brand	Microsoft	Nokia
Model	Lumia 640 XL LTE Dual SIM	Lumia 638
Release date	March 1, 2015	June 1, 2014
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	157.90 x 81.50 x 9.00	129.50 x 66.70 x 9.20
Weight (g)	171.00	-
Battery capacity (mAh)	3120	1830
Removable battery	Yes	No
Colours	-	Orange, Black, Yellow, White
display
Screen size (inches)	5.70	4.50
Touchscreen	Yes	Yes
Resolution	720x1280 pixels	480x854 pixels
Pixels per inch (PPI)	259	-
hardware
Processor	1.2GHz quad-core	1.2GHz quad-core
Processor make	Qualcomm Snapdragon 400	Qualcomm Snapdragon 400
RAM	1GB	1GB
Internal storage	8GB	8GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	-
Expandable storage up to (GB)	128	128
camera
Rear camera	13-megapixel	5-megapixel
Rear flash	LED	No
Front camera	5-megapixel	No
software
Operating system	Windows Phone 8.1	Windows Phone 8.1
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 b/g/n	802.11 b/g/n
GPS	Yes	Yes
Bluetooth	Yes, v 4.00	Yes
NFC	Yes	No
Infrared	No	No
USB OTG	No	No
Headphones	3.5mm	3.5mm
FM	Yes	No
Number of SIMs	2	1
Wi-Fi Direct	Yes	No
Mobile High-Definition Link (MHL)	No	No
sim 1
SIM Type	Micro-SIM	-
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
sim 2
SIM Type	Micro-SIM	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	Yes	-
sensors
Compass/ Magnetometer	Yes	No
Proximity sensor	Yes	No
Accelerometer	Yes	No
Ambient light sensor	Yes	No
Gyroscope	No	No
Barometer	No	No
Temperature sensor	No	No

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