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Phone	Samsung Wafer R510	HTC HD7 / HD7S	Samsung Convoy 3	Samsung Captivate (Galaxy S)	ZTE Blade Vantage
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	1.9" diag. 4 : 3	4.3" diag. 5 : 3	2.4" diag. 4 : 3	4" diag. 5 : 3	5" diag. 16 : 9
Display Resolution & Type	220 x 176 pixels (~148 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	800 mAh	1,230 mAh	1,300 mAh	1,500 mAh	2,500 mAh
Processor	?	1 GHz Qualcomm Snapdragon S1 QSD8250	480 MHz Qualcomm QSC6185	1 GHz Samsung Hummingbird Cortex A8	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM	?	?	256 MB	?	2 GB
Storage	? raw hardware	16 GB	512 MB	16 GB	16 GB
Main Camera	1 megapixel	5 megapixel	3 megapixel	5 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	720p HD	QVGA (320 x 240)	720p HD	720p HD
Front Camera	-	-	-	-	2 megapixel
Weight	2.47 oz (70g)	5.71 oz (162g)	4.4 oz (125g)	4.41 oz (125g)	5.29 oz (150g)
Dimensions	4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm)	4.8" x 2.7" x 0.44" (122 x 69 x 11.2 mm)	4.07" x 2.04" x 0.82" (103 x 52 x 20.8 mm)	4.83" x 2.52" x 0.41" (123 x 64 x 10.4 mm)	5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Slab
Platform / OS	(proprietary)	Windows	(proprietary)	Android	Android
Network Bands	CDMA: 850, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 13
Data Technology	EVDO r0	HSPA 7.2	EVDO rA	HSPA 7.2	LTE (Cat 4)
Features
Flashlight	-	-	Yes	-	Yes
GPS / Location	Yes	n/a	Yes	n/a	n/a
Ruggedized	-	-	Yes	-	-
Accessibility
Adjustable Text Size	-	n/a	Yes	n/a	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
USB	-	Yes Micro-USB	Yes	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	Yes	n/a	n/a
Ringer ID	-	n/a	Yes	n/a	n/a
Voice Dialing	Yes	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
Touch Screen	-	Yes Capacitive	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	-	n/a	Yes	n/a	n/a
Instant Messaging	-	n/a	-	n/a	n/a
MMS	Yes	n/a	Yes	n/a	n/a
Text Messaging Templates	-	n/a	Yes	n/a	n/a
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	-	Yes	Yes	Yes	Yes
Music Player	Yes	n/a	Yes	n/a	n/a
Stereo Speakers	Yes	Yes	Yes	-	-
Photo & Video
DLNA	-	-	-	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
Voice Memo	Yes	n/a	Yes	n/a	n/a
Software
BREW	Yes	n/a	Yes	n/a	n/a
Games	Yes	n/a	Yes	n/a	n/a
Voice
HD Voice	-	-	-	-	Yes
Push-To-Talk	-	-	Yes	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung Wafer R510	HTC HD7 / HD7S	Samsung Convoy 3	Samsung Captivate (Galaxy S)	ZTE Blade Vantage
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Wafer R510	HTC HD7 / HD7S	Samsung Convoy 3	Samsung Captivate (Galaxy S)	ZTE Blade Vantage