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Phone	Audiovox CDM-8900	Motorola Charm	Apple iPhone 3GS	HTC Touch Pro2 (GSM) / Tilt 2	Sony Ericsson Z520 / Z525
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.8" diag. 4 : 3	3.5" diag. 5 : 3	3.6" diag. 5 : 3	?
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	320 x 240 pixels (~143 ppi) LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	?	?
Battery	1,000 mAh	1,170 mAh	?	1,500 mAh	?
Processor	?	720 MHz TI OMAP3410	?	528 MHz Qualcomm MSM7200A	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	32 GB *	? raw hardware	? raw hardware
Main Camera	Yes	3 megapixel	3 megapixel	3 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	VGA (640 x 480)	?	?
Front Camera	-	-	-	-	-
Weight	3.28 oz (93g)	3.88 oz (110g)	4.76 oz (135g)	6.61 oz (187g)	3.46 oz (98g)
Dimensions	3.41" x 1.77" x 0.75" (87 x 45 x 19.1 mm)	3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm)	4.55" x 2.44" x 0.48" (116 x 62 x 12.3 mm)	4.59" x 2.36" x 0.68" (117 x 60 x 17.3 mm)	3.27" x 1.81" x 0.94" (83 x 46 x 23.9 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Clamshell
Platform / OS	(proprietary)	Android	iOS	Windows Mobile Professional	(proprietary)
Network Bands	CDMA: 850, 1900 AMPS: 850	WCDMA: 4 GSM: 850, 900, 1800, 1900 *	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 *	GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	HSDPA 3.6	HSPA 7.2	HSPA 7.2	GPRS
Features
GPS / Location	Yes	n/a	n/a	n/a	-
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	-
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	Yes
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	-	-	Yes
USB	Yes	Yes Micro-USB	Yes	Yes	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	Yes 802.11 b,g	-
Contacts
Picture ID	Yes	n/a	n/a	n/a	Yes
Ringer ID	Yes	n/a	n/a	n/a	Yes
Voice Dialing	Yes	n/a	n/a	n/a	Yes
Customization
Changeable Body Plates	-	-	-	-	Yes
Custom Graphics	Yes	n/a	n/a	n/a	Yes
Custom Ringtones	Yes	n/a	n/a	n/a	Yes
Real-Music Ringers	-	n/a	n/a	n/a	Yes
Data & Network
Data Tethering	Yes	n/a	n/a	n/a	Yes
WAP / Web Browser	Yes	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	-	Yes	-
Text Keyboard, Hardware	-	Yes	-	Yes	-
Touch Screen	-	Yes Capacitive	Yes Capacitive	Yes	-
Memory
Memory Card Slot	-	Yes	-	Yes	-
Messaging
Email Client	-	n/a	n/a	n/a	Yes
EMS / Picture Messaging	Yes	n/a	n/a	n/a	Yes
Instant Messaging	-	n/a	n/a	n/a	-
MMS	-	n/a	n/a	n/a	Yes
Text Messaging Templates	Yes	n/a	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	-	Yes	Yes	-	-
Music Player	-	n/a	n/a	n/a	-
Photo & Video
TV Output	-	-	Yes	Yes	-
Video Calling	-	n/a	n/a	n/a	-
Productivity
Alarm	Yes	n/a	n/a	n/a	Yes
Calculator	Yes	n/a	n/a	n/a	Yes
Calendar	Yes	n/a	n/a	n/a	Yes
To-Do List	-	n/a	n/a	n/a	Yes
Voice Memo	Yes	n/a	n/a	n/a	Yes
Software
BREW	Yes *	n/a	n/a	n/a	-
Games	Yes	n/a	n/a	n/a	Yes
Java (J2ME)	Yes *	n/a	n/a	n/a	Yes
Voice
Headset Jack (2.5 mm)	Yes	n/a	n/a	n/a	-
Push-To-Talk	-	-	-	Yes *	Yes *
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Audiovox CDM-8900	Motorola Charm	Apple iPhone 3GS	HTC Touch Pro2 (GSM) / Tilt 2	Sony Ericsson Z520 / Z525
	X >	< X >	< X >	< X >	< X

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


Phone	Audiovox CDM-8900	Motorola Charm	Apple iPhone 3GS	HTC Touch Pro2 (GSM) / Tilt 2	Sony Ericsson Z520 / Z525