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Phone	Samsung SGH-X640	T-Mobile REVVL V	Samsung Glyde U940	Motorola Q9m / Q9c	ZTE Concord II
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	6.5" diag. 20 : 9	2.8" diag. 16.5 : 9	2.4" diag. 4 : 3	4" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	720 x 1600 pixels (~269 ppi) LCD (TFT/TFD)	240 x 440 pixels (~182 ppi) LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	800 mAh	4,000 mAh	1,000 mAh	1,170 mAh	1,820 mAh
Processor	?	2 GHz MediaTek Helio G25 (MT6762V)	?	PXA27x (ARM920T)	1.2 GHz Qualcomm MSM8210
RAM	?	3 GB	?	?	1 GB
Storage	? raw hardware	32 GB	? raw hardware	? raw hardware	4 GB
Main Camera	Yes	13 megapixel	2 megapixel	1 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	1080p HD	QVGA (320 x 240)	?	720p HD
Front Camera	-	5 megapixel	-	-	-
Weight	3 oz (85g)	6.45 oz (183g)	4.2 oz (119g)	4.76 oz (135g)	4.4 oz (125g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	6.57" x 3.01" x 0.34" (167 x 76 x 8.6 mm)	4.09" x 1.98" x 0.71" (104 x 50 x 18 mm)	4.61" x 2.56" x 0.47" (117 x 65 x 11.9 mm)	4.96" x 2.56" x 0.42" (126 x 65 x 10.7 mm)
Form Factor	Clamshell	Slab	Slide	Slab	Slab
Platform / OS	(proprietary)	Android	(proprietary)	Windows Mobile Standard	Android
Network Bands	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 12, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	LTE (Cat 6)	EVDO r0	EVDO r0	HSPA+ 21
Features
Fingerprint Reader	-	Yes stand-alone	-	-	-
Flashlight	-	Yes	-	-	-
GPS / Location	-	n/a	Yes	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	-	n/a	n/a
Hearing Aid Compatible	-	Yes M4, T3 (mostly tele-coil compatible)	Yes M4 (very compatible)	Yes M3 (mostly compatible)	Yes M3, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	n/a	-	n/a	n/a
USB	-	Yes USB Type C	Yes	Yes Mini-USB	Yes Micro-USB
Wi-Fi	-	Yes 5 (802.11 a,ac,b,g,n)	-	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	Yes	n/a	n/a
Ringer ID	Yes	n/a	Yes	n/a	n/a
Voice Dialing	-	n/a	Yes	n/a	n/a
Customization
Custom Graphics	Yes	n/a	Yes	n/a	n/a
Custom Ringtones	Yes	n/a	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
WAP / Web Browser	Yes	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	Yes	-
Touch Screen	-	Yes Capacitive	Yes	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	n/a	-	n/a	n/a
EMS / Picture Messaging	Yes	n/a	-	n/a	n/a
Instant Messaging	-	n/a	-	n/a	n/a
MMS	Yes	n/a	Yes	n/a	n/a
Text Messaging Templates	Yes	n/a	Yes	n/a	n/a
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	-	n/a	Yes	n/a	n/a
Stereo Speakers	-	-	-	Yes	-
Power
Fast Charging	-	Yes	-	-	-
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	Yes	n/a	n/a
Calendar	Yes	n/a	Yes	n/a	n/a
To-Do List	Yes	n/a	-	n/a	n/a
Voice Memo	Yes	n/a	-	n/a	n/a
Software
BREW	-	n/a	Yes	n/a	n/a
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	Yes	n/a	-	n/a	n/a
Voice
HD Voice	-	Yes	-	-	Yes
Headset Jack (2.5 mm)	Yes	n/a	Yes	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	T-Mobile REVVL V	Samsung Glyde U940	Motorola Q9m / Q9c	ZTE Concord II
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	T-Mobile REVVL V	Samsung Glyde U940	Motorola Q9m / Q9c	ZTE Concord II