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Phone	Motorola Charm	Samsung SGH-E400	Samsung Instinct S30	HTC EVO 4G	Samsung Vibrant (Galaxy S)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Not yet released	Released	Released	Released
Display Size	2.8" diag. 4 : 3	?	3.2" diag. 16 : 9	4.3" diag. 5 : 3	4" diag. 5 : 3
Display Resolution & Type	320 x 240 pixels (~143 ppi) LCD (TFT/TFD)	128 x 144 pixels LCD (TFT/TFD)	240 x 432 pixels (~154 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED
Display Refresh	60 Hz	?	?	60 Hz	60 Hz
Battery	1,170 mAh	700 mAh	1,000 mAh	1,500 mAh	1,500 mAh
Processor	720 MHz TI OMAP3410	?	?	1 GHz Qualcomm Snapdragon S1 QSD8650	1 GHz Samsung Hummingbird Cortex A8
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	16 GB
Main Camera	3 megapixel	-	2 megapixel	8 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	-	?	720p HD	720p HD
Front Camera	-	-	-	Yes	-
Weight	3.88 oz (110g)	3.1 oz (88g)	3.88 oz (110g)	6 oz (170g)	4.16 oz (118g)
Dimensions	3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm)	3.46" x 1.65" x 0.89" (88 x 42 x 22.6 mm)	4.61" x 2.16" x 0.52" (117 x 55 x 13.2 mm)	4.8" x 2.6" x 0.5" (122 x 66 x 12.7 mm)	4.82" x 2.54" x 0.39" (122 x 65 x 9.9 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Slab
Platform / OS	Android	(proprietary)	(proprietary)	Android	Android
Network Bands	WCDMA: 4 GSM: 850, 900, 1800, 1900 *	GSM: 900, 1800, 1900	CDMA: 850, 1900	4G WiMAX: 41 CDMA: 850, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900
Data Technology	HSDPA 3.6	GPRS	EVDO r0	WiMAX	HSPA 7.2
Features
GPS / Location	n/a	-	Yes	n/a	n/a
Accessibility
Hearing Aid Compatible	-	-	Yes M4, T3 (mostly tele-coil compatible)	Yes	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	-	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	-
Alerts
Extra Display	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	n/a	-	-	n/a	n/a
USB	Yes Micro-USB	-	-	Yes	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	Yes 802.11 b,g	Yes
Contacts
Picture ID	n/a	-	Yes	n/a	n/a
Ringer ID	n/a	-	Yes	n/a	n/a
Voice Dialing	n/a	-	Yes	n/a	n/a
Customization
Custom Graphics	n/a	Yes	Yes	n/a	n/a
Custom Ringtones	n/a	Yes	Yes	n/a	n/a
Real-Music Ringers	n/a	-	Yes	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	Yes	n/a	n/a
WAP / Web Browser	n/a	Yes	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	-	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	Yes	-	-
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	Yes Capacitive	-	Yes	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	n/a	-	Yes	n/a	n/a
EMS / Picture Messaging	n/a	Yes	-	n/a	n/a
Instant Messaging	n/a	-	Yes	n/a	n/a
MMS	n/a	-	-	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	n/a	-	Yes	n/a	n/a
Photo & Video
DLNA	-	-	-	-	Yes
TV Output	-	-	-	Yes	-
Productivity
Alarm	n/a	Yes	Yes	n/a	n/a
Calculator	n/a	Yes	Yes	n/a	n/a
Calendar	n/a	Yes	Yes	n/a	n/a
To-Do List	n/a	Yes	-	n/a	n/a
Voice Memo	n/a	-	-	n/a	n/a
Software
Games	n/a	Yes	Yes	n/a	n/a
Java (J2ME)	n/a	Yes	Yes	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	-	n/a	n/a
Speaker Phone	Yes	-	Yes	Yes	Yes
	Motorola Charm	Samsung SGH-E400	Samsung Instinct S30	HTC EVO 4G	Samsung Vibrant (Galaxy S)
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola Charm	Samsung SGH-E400	Samsung Instinct S30	HTC EVO 4G	Samsung Vibrant (Galaxy S)