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Phone	Samsung Vibrant (Galaxy S)	Motorola V551 / V330 / V547 / V555 / V557	Sony Ericsson K850	Samsung SPH-A660 / VI660	HTC Touch Pro2 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4" diag. 5 : 3	?	2.2" diag. 4 : 3	?	3.6" diag. 5 : 3
Display Resolution & Type	480 x 800 pixels (~233 ppi) AMOLED	176 x 220 pixels LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (Color)	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	1,500 mAh	820 mAh	?	?	1,500 mAh
Processor	1 GHz Samsung Hummingbird Cortex A8	?	?	?	528 MHz MSM7600
RAM	?	?	?	?	?
Storage	16 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	Yes	5 megapixel	-	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	?	?	-	?
Front Camera	-	-	-	-	-
Weight	4.16 oz (118g)	4.23 oz (120g)	4.2 oz (119g)	3.54 oz (100g)	6.35 oz (180g)
Dimensions	4.82" x 2.54" x 0.39" (122 x 65 x 9.9 mm)	3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm)	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)	3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm)	4.57" x 2.33" x 0.68" (116 x 59 x 17.3 mm)
Form Factor	Slab	Clamshell	Slab	Clamshell	Slab
Platform / OS	Android	(proprietary)	(proprietary)	(proprietary)	Windows Mobile Professional
Network Bands	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900 *	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900
Data Technology	HSPA 7.2	EDGE	HSDPA 3.6	1xRTT	EVDO rA
Features
GPS / Location	n/a	-	-	Yes	n/a
Accessibility
Adjustable Text Size	n/a	-	-	-	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	-	-	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	Yes	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	-	Yes	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Mobile Hotspot	n/a	-	-	-	n/a
USB	Yes Micro-USB	Yes	Yes	-	Yes
Wi-Fi	Yes	-	-	-	Yes
Contacts
Picture ID	n/a	Yes	Yes	Yes	n/a
Ringer ID	n/a	Yes	Yes	Yes	n/a
Voice Dialing	n/a	Yes	Yes	Yes	n/a
Customization
Custom Graphics	n/a	Yes	Yes	Yes	n/a
Custom Ringtones	n/a	Yes	Yes	Yes	n/a
Real-Music Ringers	n/a	Yes	Yes	-	n/a
Data & Network
Data Tethering	n/a	Yes	Yes	Yes	n/a
WAP / Web Browser	n/a	Yes	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	-	-	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	Yes Capacitive	-	-	-	Yes Resistive
Memory
Memory Card Slot	Yes	-	Yes	-	Yes
Messaging
Email Client	n/a	Yes	Yes	-	n/a
EMS / Picture Messaging	n/a	Yes	-	-	n/a
Instant Messaging	n/a	Yes	-	-	n/a
MMS	n/a	Yes	Yes	-	n/a
Text Messaging Templates	n/a	Yes	Yes	-	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	Yes	-	-	-	Yes
Music Player	n/a	-	Yes	-	n/a
Photo & Video
DLNA	Yes	-	-	-	-
TV Output	-	-	-	-	Yes
Video Calling	n/a	-	Yes *	-	n/a
Productivity
Alarm	n/a	Yes	Yes	Yes	n/a
Calculator	n/a	Yes	Yes	Yes	n/a
Calendar	n/a	Yes	Yes	Yes	n/a
To-Do List	n/a	-	Yes	Yes	n/a
Voice Memo	n/a	Yes	Yes	Yes	n/a
Software
Games	n/a	Yes	Yes	Yes	n/a
Java (J2ME)	n/a	Yes	Yes	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	-	Yes	n/a
Speaker Phone	Yes	Yes	Yes	-	Yes
	* Some versions only
	Samsung Vibrant (Galaxy S)	Motorola V551 / V330 / V547 / V555 / V557	Sony Ericsson K850	Samsung SPH-A660 / VI660	HTC Touch Pro2 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Vibrant (Galaxy S)	Motorola V551 / V330 / V547 / V555 / V557	Sony Ericsson K850	Samsung SPH-A660 / VI660	HTC Touch Pro2 (CDMA)