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Phone	Samsung Galaxy S II / SGH-i777	Motorola Charm	Samsung SGH-A727	Pantech Duo C810	Audiovox CDM-8900
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.3" diag. 5 : 3	2.8" diag. 4 : 3	?	2.2" diag. 4 : 3	?
Display Resolution & Type	480 x 800 pixels (~217 ppi) AMOLED	320 x 240 pixels (~143 ppi) LCD (TFT/TFD)	220 x 176 pixels LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	60 Hz	?	?	?
Battery	1,650 mAh	1,170 mAh	?	1,320 mAh	1,000 mAh
Processor	1.2 GHz Samsung Exynos dual-core	720 MHz TI OMAP3410	?	ARM 920t PXA27x	?
RAM	?	?	?	?	?
Storage	16 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	8 megapixel	3 megapixel	1 megapixel	1 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	?	QCIF (176 x 144)	QVGA (320 x 240)	-
Front Camera	2 megapixel	-	-	-	-
Weight	4.3 oz (122g)	3.88 oz (110g)	2.82 oz (80g)	3.88 oz (110g)	3.28 oz (93g)
Dimensions	4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm)	3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm)	4.51" x 2.01" x 0.35" (115 x 51 x 8.9 mm)	4.01" x 1.97" x 0.78" (102 x 50 x 19.8 mm)	3.41" x 1.77" x 0.75" (87 x 45 x 19.1 mm)
Form Factor	Slab	Slab	Slab	Slide	Clamshell
Platform / OS	Android	Android	(proprietary)	Windows Mobile Standard	(proprietary)
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 4 GSM: 850, 900, 1800, 1900 *	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850
Data Technology	HSPA+ 21	HSDPA 3.6	HSDPA 1.8	HSDPA 1.8	1xRTT
Features
GPS / Location	n/a	n/a	-	n/a	Yes
Accessibility
Hearing Aid Compatible	Yes M3 (mostly compatible)	-	-	-	-
Multiple Languages	n/a	n/a	Yes	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	-	-
Alerts
Extra Display	-	-	-	-	Yes
Ringer Profiles	-	-	Yes	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Mobile Hotspot	n/a	n/a	-	n/a	-
NFC	Yes	-	-	-	-
USB	Yes Micro-USB	Yes Micro-USB	Yes	Yes	Yes
Wi-Fi	Yes 4 (802.11 a,b,g,n)	Yes 4 (802.11 b,g,n)	-	-	-
Contacts
Picture ID	n/a	n/a	Yes	n/a	Yes
Ringer ID	n/a	n/a	Yes	n/a	Yes
Voice Dialing	n/a	n/a	-	n/a	Yes
Customization
Custom Graphics	n/a	n/a	Yes	n/a	Yes
Custom Ringtones	n/a	n/a	Yes	n/a	Yes
Real-Music Ringers	n/a	n/a	Yes	n/a	-
Data & Network
Data Tethering	n/a	n/a	Yes	n/a	Yes
WAP / Web Browser	n/a	n/a	Yes	n/a	Yes
Input
Predictive Text Entry	n/a	n/a	Yes	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	Yes	-
Touch Screen	Yes Capacitive	Yes Capacitive	-	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	-
Messaging
Email Client	n/a	n/a	Yes	n/a	-
EMS / Picture Messaging	n/a	n/a	-	n/a	Yes
Instant Messaging	n/a	n/a	Yes	n/a	-
MMS	n/a	n/a	Yes	n/a	-
Text Messaging Templates	n/a	n/a	Yes	n/a	Yes
Music
Headphone Jack (3.5mm)	Yes	Yes	-	-	-
Music Player	n/a	n/a	Yes	n/a	-
Photo & Video
DLNA	Yes	-	-	-	-
TV Output	Yes	-	-	-	-
Productivity
Alarm	n/a	n/a	Yes	n/a	Yes
Calculator	n/a	n/a	Yes	n/a	Yes
Calendar	n/a	n/a	Yes	n/a	Yes
To-Do List	n/a	n/a	Yes	n/a	-
Voice Memo	n/a	n/a	Yes	n/a	Yes
Software
BREW	n/a	n/a	-	n/a	Yes *
Games	n/a	n/a	Yes	n/a	Yes
Java (J2ME)	n/a	n/a	Yes	n/a	Yes *
Voice
Headset Jack (2.5 mm)	n/a	n/a	-	n/a	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung Galaxy S II / SGH-i777	Motorola Charm	Samsung SGH-A727	Pantech Duo C810	Audiovox CDM-8900
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Galaxy S II / SGH-i777	Motorola Charm	Samsung SGH-A727	Pantech Duo C810	Audiovox CDM-8900