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Phone	Samsung SGH-X640	ZTE Speed	Sanyo SCP-8100	ZTE Blade Vantage	LG VX-4700 / VX-4650 / AX-4750 / UX-4750
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)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	120 x 144 pixels LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (STN)
Display Refresh	?	60 Hz	?	60 Hz	?
Battery	800 mAh	2,000 mAh	?	2,500 mAh	1,000 mAh
Processor	?	1.2 GHz Qualcomm Snapdragon 410 MSM8916	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?
RAM	?	1 GB	?	2 GB	?
Storage	? raw hardware	8 GB	? raw hardware	16 GB	? raw hardware
Main Camera	Yes	5 megapixel	Yes	8 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	720p HD	-	720p HD	-
Front Camera	-	2 megapixel	-	2 megapixel	-
Weight	3 oz (85g)	4.8 oz (136g)	3.88 oz (110g)	5.29 oz (150g)	3.7 oz (105g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm)	3.33" x 1.86" x 1.14" (85 x 47 x 29 mm)	5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm)	3.8" x 1.93" x 0.89" (97 x 49 x 22.6 mm)
Form Factor	Clamshell	Slab	Clamshell	Slab	Clamshell
Platform / OS	(proprietary)	Android	(proprietary)	Android	(proprietary)
Network Bands	GSM: 900, 1800, 1900	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900	CDMA: 850, 1900 AMPS: 850	4G LTE: 2, 4, 5, 13	CDMA: 850, 1900 AMPS: 850
Data Technology	GPRS	LTE (Cat 3)	1xRTT	LTE (Cat 4)	1xRTT
Features
Flashlight	-	-	-	Yes	-
GPS / Location	-	n/a	Yes	n/a	Yes
Accessibility
Adjustable Text Size	-	n/a	-	n/a	-
Hearing Aid Compatible	-	Yes M3, T4 (very tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)
Multiple Languages	Yes	n/a	Yes	n/a	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	Yes
Connectivity
Bluetooth	-	Yes	-	Yes	-
Mobile Hotspot	-	n/a	-	n/a	-
USB	-	Yes Micro-USB	Yes	Yes Micro-USB	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	Yes	n/a	Yes	n/a	-
Ringer ID	Yes	n/a	Yes	n/a	Yes
Voice Dialing	-	n/a	Yes	n/a	Yes
Customization
Custom Graphics	Yes	n/a	Yes	n/a	Yes
Custom Ringtones	Yes	n/a	Yes	n/a	Yes
Real-Music Ringers	-	n/a	-	n/a	-
Data & Network
Data Tethering	-	n/a	Yes	n/a	Yes
WAP / Web Browser	Yes	n/a	Yes	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	Yes	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	-
Instant Messaging	-	n/a	-	n/a	-
MMS	Yes	n/a	-	n/a	-
Text Messaging Templates	Yes	n/a	-	n/a	Yes
Music
Headphone Jack (3.5mm)	-	Yes	-	Yes	-
Music Player	-	n/a	-	n/a	-
Productivity
Alarm	Yes	n/a	-	n/a	Yes
Calculator	Yes	n/a	Yes	n/a	Yes
Calendar	Yes	n/a	Yes	n/a	Yes
To-Do List	Yes	n/a	Yes	n/a	-
Voice Memo	Yes	n/a	Yes	n/a	-
Software
BREW	-	n/a	-	n/a	Yes
Games	Yes	n/a	Yes	n/a	Yes
Java (J2ME)	Yes	n/a	Yes	n/a	-
Voice
Call Screening	-	-	Yes	-	-
HD Voice	-	Yes	-	Yes	-
Headset Jack (2.5 mm)	Yes	n/a	Yes	n/a	Yes
Push-To-Talk	-	-	-	-	Yes *
Speaker Phone	Yes	Yes	-	Yes	Yes
	* Some versions only
	Samsung SGH-X640	ZTE Speed	Sanyo SCP-8100	ZTE Blade Vantage	LG VX-4700 / VX-4650 / AX-4750 / UX-4750
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	ZTE Speed	Sanyo SCP-8100	ZTE Blade Vantage	LG VX-4700 / VX-4650 / AX-4750 / UX-4750