Microsoft Lumia 640 XL

The Microsoft Lumia 640 XL is a Windows Phone smartphone which features a 5.7 inch 720p HD display, 8GB of internal storage which can be expanded through microSD, an 13 megapixel rear camera, a 5 megapixel front camera, optional LTE, optional dual-SIM and a 1.2GHz quad-core Snapdragon 400 processor with 1GB of RAM.

The full Microsoft Lumia 640 XL specifications follow:

VARIANTS
Microsoft Lumia 640 XL Microsoft Lumia 640 XL Dual SIM Microsoft Lumia 640 XL LTE Microsoft Lumia 640 XL LTE Dual SIM
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Microsoft Lumia 640 XL
Announced	March 2, 2015
Release	April 2015
A.K.A.	-
BUY	U.S.	-	-
		carriers	-
-
Size	Dimensions	141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
	Weight	145 g (5.11 oz)
Design	candybar form factor
	SIM Type	micro SIM
	colors	Glossy cyan, Orange, White, Matte black
	others	67.6% screen-to-body ratio
Display	Type	IPS LCD capacitive touchscreen
	Size	5.0 inches
	Resolution	720 x 1280 pixels
	Features	multitouch input; 294 ppi pixel density; Corning Gorilla Glass 3; ClearBlack display
Connectivity	2G	GSM 850 / 900 / 1800 / 1900 MHz
		speed	GPRS, EDGE
	3G	UMTS 850 / 900 / 1900 / 2100 MHz
		speed	download - HSDPA - 42.2 Mbps; upload - HSUPA - 5.76 Mbps
	WLAN	Wi-Fi 802.11 b/g/n, DLNA, hotspot
	Bluetooth	4.0, A2DP
	USB	2.0 microUSB
	Others	-
Camera	Rear	8 MP (3264 x 2448 pixels)
		Features	autofocus, LED flash, 1/4'' sensor size
		Video	1080p@30fps
	Front	1 MP
		Features	video calling; self portraits
		Video	720p
Memory	Internal	8 GB
	External	up to 128 GB microSD
	RAM	1 GB
Hardware	CPU	1.2 GHz quad-core Cortex-A7
	GPU	Adreno 305
	Chipset	Qualcomm Snapdragon 400
	Audio	3.5mm universal audio connector
	Radio	-
	Video	-
	Navigation	GPS, A-GPS, GLONASS, Beidou
	Sensors	accelerometer, proximity sensor
	Others	-
Battery	Li-Ion 3000 mAh battery
	Stand-by	up to 936 h (2G) / up to 936 h (3G)
	Talk time	up to 31 h (2G) / up to 24 h (3G)
	Playback	music	-
		video	-
-
Software	OS	Microsoft Windows Phone 8.1 with Lumia Denim
	Manufacturer	Microsoft Office, Skype, Xbox, OneDrive and other Microsoft services
	Others	Windows Phone Store apps
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Links	Official Site

Microsoft Lumia 640 XL Dual SIM
A.K.A.	-
BUY	U.S.	-	-
		carriers	-
Connectivity	2G	SIM 1	GSM 850 / 900 / 1800 / 1900 MHz
		SIM 2	GSM 850 / 900 / 1800 / 1900 MHz
		speed	GPRS, EDGE
	3G	UMTS 850 / 900 / 1900 / 2100 MHz
		speed	download - HSDPA - 42.2 Mbps; upload - HSUPA - 5.76 Mbps
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Microsoft Lumia 640 XL LTE
A.K.A.	-
BUY	U.S.	-	-
		carriers	-
Connectivity	2G	GSM 850 / 900 / 1800 / 1900 MHz
		speed	GPRS, EDGE
	3G	UMTS 850 / 900 / 2100 MHz
		speed	download - HSDPA - 42.2 Mbps; upload - HSUPA - 5.76 Mbps
	4G	LTE 800 / 900 / 1800 / 2100 / 2600 MHz (Bands 1, 3, 7, 8, 20)
		speed	Category 4; download - 150 Mbps; upload - 50 Mbps

Microsoft Lumia 640 XL LTE Dual SIM
A.K.A.	-
BUY	U.S.	-	-
		carriers	-
Connectivity	2G	SIM 1	GSM 850 / 900 / 1800 / 1900 MHz
		SIM 2	GSM 850 / 900 / 1800 / 1900 MHz
		speed	GPRS, EDGE
	3G	UMTS 850 / 900 / 1700 / 1900 / 2100 MHz
		speed	download - HSDPA - 42.2 Mbps; upload - HSUPA - 5.76 Mbps
	4G	LTE 700/800/850/900/1700/1800/1900/2100/2600 MHz TD-LTE 2300 / 2600 MHz (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40)
		speed	Category 4; download - 150 Mbps; upload - 50 Mbps

We list only the specs that are different than the main variant