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Phone	Samsung SGH-X640	LG VX-4700 / VX-4650 / AX-4750 / UX-4750	ZTE Speed	ZTE Blade Vantage	Motorola RAZR V3c
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	4.5" diag. 16 : 9	5" diag. 16 : 9	?
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	128 x 128 pixels LCD (STN)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	800 mAh	1,000 mAh	2,000 mAh	2,500 mAh	740 mAh
Processor	?	?	1.2 GHz Qualcomm Snapdragon 410 MSM8916	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?
RAM	?	?	1 GB	2 GB	?
Storage	? raw hardware	? raw hardware	8 GB	16 GB	? raw hardware
Main Camera	Yes	-	5 megapixel	8 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	720p HD	720p HD	?
Front Camera	-	-	2 megapixel	2 megapixel	-
Weight	3 oz (85g)	3.7 oz (105g)	4.8 oz (136g)	5.29 oz (150g)	3.49 oz (99g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	3.8" x 1.93" x 0.89" (97 x 49 x 22.6 mm)	5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm)	5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm)	3.9" x 2.1" x 0.6" (99 x 53 x 15.2 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Clamshell
Platform / OS	(proprietary)	(proprietary)	Android	Android	(proprietary)
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900	4G LTE: 2, 4, 5, 13	CDMA: 850, 1900
Data Technology	GPRS	1xRTT	LTE (Cat 3)	LTE (Cat 4)	EVDO r0
Features
Flashlight	-	-	-	Yes	-
GPS / Location	-	Yes	n/a	n/a	Yes
Accessibility
Adjustable Text Size	-	-	n/a	n/a	-
Hearing Aid Compatible	-	Yes M3 (mostly compatible)	Yes M3, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)
Multiple Languages	Yes	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	Yes
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
Mobile Hotspot	-	-	n/a	n/a	-
USB	-	Yes	Yes Micro-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	Yes	-	n/a	n/a	Yes
Ringer ID	Yes	Yes	n/a	n/a	Yes
Voice Dialing	-	Yes	n/a	n/a	Yes
Customization
Custom Graphics	Yes	Yes	n/a	n/a	Yes
Custom Ringtones	Yes	Yes	n/a	n/a	Yes
Real-Music Ringers	-	-	n/a	n/a	Yes
Data & Network
Data Tethering	-	Yes	n/a	n/a	Yes
WAP / Web Browser	Yes	Yes	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	-	Yes Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	-	-	Yes	Yes	-
Messaging
Email Client	-	-	n/a	n/a	-
EMS / Picture Messaging	Yes	-	n/a	n/a	Yes
Instant Messaging	-	-	n/a	n/a	-
MMS	Yes	-	n/a	n/a	Yes
Text Messaging Templates	Yes	Yes	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	-	-	Yes	Yes	-
Music Player	-	-	n/a	n/a	-
Productivity
Alarm	Yes	Yes	n/a	n/a	Yes
Calculator	Yes	Yes	n/a	n/a	Yes
Calendar	Yes	Yes	n/a	n/a	Yes
To-Do List	Yes	-	n/a	n/a	-
Voice Memo	Yes	-	n/a	n/a	Yes
Software
BREW	-	Yes	n/a	n/a	Yes
Games	Yes	Yes	n/a	n/a	Yes
Java (J2ME)	Yes	-	n/a	n/a	-
Voice
HD Voice	-	-	Yes	Yes	-
Headset Jack (2.5 mm)	Yes	Yes	n/a	n/a	-
Push-To-Talk	-	Yes *	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-X640	LG VX-4700 / VX-4650 / AX-4750 / UX-4750	ZTE Speed	ZTE Blade Vantage	Motorola RAZR V3c
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung SGH-X640	LG VX-4700 / VX-4650 / AX-4750 / UX-4750	ZTE Speed	ZTE Blade Vantage	Motorola RAZR V3c