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Phone	Samsung Droid Charge	Samsung SGH-T301g	Motorola RAZR V3m	Microsoft Lumia 640	Motorola Q
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.3" diag. 5 : 3	?	?	5" diag. 16 : 9	?
Display Resolution & Type	480 x 800 pixels (~217 ppi) AMOLED	128 x 160 pixels LCD (Color)	176 x 220 pixels LCD (TFT/TFD)	720 x 1280 pixels (~294 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	1,500 mAh	800 mAh	780 mAh	2,500 mAh	1,130 mAh
Processor	1 GHz Samsung Hummingbird	?	?	1.2 GHz Qualcomm Snapdragon 400 (MSM8926)	?
RAM	?	?	?	1 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	8 GB	? raw hardware
Main Camera	8 megapixel	Yes	1 megapixel	8 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	?	1080p HD	?
Front Camera	1 megapixel	-	-	1 megapixel	-
Weight	5.06 oz (144g)	2.92 oz (83g)	3.49 oz (99g)	5.11 oz (145g)	4.06 oz (115g)
Dimensions	5.1" x 2.68" x 0.46" (130 x 68 x 11.7 mm)	3.92" x 1.95" x 0.56" (100 x 50 x 14.2 mm)	3.9" x 2.1" x 0.57" (99 x 53 x 14.5 mm)	5.56" x 2.84" x 0.35" (141 x 72 x 8.9 mm)	4.57" x 2.52" x 0.47" (116 x 64 x 11.9 mm)
Form Factor	Slab	Slide	Clamshell	Slab	Slab
Platform / OS	Android	(proprietary)	(proprietary)	Windows	Windows Mobile Standard
Network Bands	4G LTE: 13 CDMA: 850, 1900	GSM: 850, 1900	CDMA: 850, 1900	4G LTE: 1, 2, 4, 5, 7, 12, 17, 28 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900
Data Technology	LTE (Cat 3)	GPRS	EVDO r0	LTE (Cat 4)	EVDO r0
Features
GPS / Location	n/a	-	Yes	n/a	n/a
Accessibility
Adjustable Text Size	n/a	Yes	-	n/a	n/a
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)
Multiple Languages	n/a	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	-	Yes	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	n/a	-	-	n/a	n/a
NFC	-	-	-	Yes	-
USB	Yes Micro-USB	-	Yes Mini-USB	Yes Micro-USB	Yes Mini-USB
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	-	Yes	n/a	n/a
Ringer ID	n/a	-	Yes	n/a	n/a
Voice Dialing	n/a	-	Yes	n/a	n/a
Customization
Custom Graphics	n/a	Yes	Yes	n/a	n/a
Custom Ringtones	n/a	Yes	Yes	n/a	n/a
Real-Music Ringers	n/a	-	Yes	n/a	n/a
Data & Network
Data Tethering	n/a	-	Yes	n/a	n/a
External Antenna Jack	n/a	-	-	n/a	n/a
WAP / Web Browser	n/a	Yes	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	Yes Capacitive	-	-	Yes Capacitive	-
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	n/a	-	-	n/a	n/a
EMS / Picture Messaging	n/a	-	Yes	n/a	n/a
Instant Messaging	n/a	-	Yes *	n/a	n/a
MMS	n/a	Yes	Yes	n/a	n/a
Text Messaging Templates	n/a	Yes	Yes *	n/a	n/a
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	Yes	-	-	Yes	-
Music Player	n/a	-	Yes	n/a	n/a
Photo & Video
DLNA	Yes	-	-	Yes	-
Miracast	-	-	-	Yes	-
TV Output	Yes	-	-	-	-
Video Calling	n/a	-	-	n/a	n/a
Productivity
Alarm	n/a	Yes	Yes	n/a	n/a
Calculator	n/a	Yes	Yes	n/a	n/a
Calendar	n/a	Yes	Yes	n/a	n/a
To-Do List	n/a	-	-	n/a	n/a
Voice Memo	n/a	-	Yes	n/a	n/a
Software
BREW	n/a	-	Yes	n/a	n/a
Games	n/a	Yes	Yes	n/a	n/a
Voice
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	n/a	-	-	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung Droid Charge	Samsung SGH-T301g	Motorola RAZR V3m	Microsoft Lumia 640	Motorola Q
	X >	< X >	< X >	< X >	< X

NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung Droid Charge	Samsung SGH-T301g	Motorola RAZR V3m	Microsoft Lumia 640	Motorola Q