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Phone	Motorola Charm	HTC Touch Pro2 (GSM) / Tilt 2	Huawei W1	Samsung Knack U310	Sanyo RL-4930
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.8" diag. 4 : 3	3.6" diag. 5 : 3	4" diag. 5 : 3	2.2" diag. 4 : 3	?
Display Resolution & Type	320 x 240 pixels (~143 ppi) LCD (TFT/TFD)	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	128 x 112 pixels LCD (STN)
Display Refresh	60 Hz	?	?	?	?
Battery	1,170 mAh	1,500 mAh	1,950 mAh	1,000 mAh	1,700 mAh
Processor	720 MHz TI OMAP3410	528 MHz Qualcomm MSM7200A	1.2 GHz Qualcomm Snapdragon 400 MSM8230	?	?
RAM	?	?	512 MB	?	?
Storage	? raw hardware	? raw hardware	4 GB	? raw hardware	? raw hardware
Main Camera	3 megapixel	3 megapixel	5 megapixel	-	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	?	720p HD	-	-
Front Camera	-	-	Yes	-	-
Weight	3.88 oz (110g)	6.61 oz (187g)	4.41 oz (125g)	3.63 oz (103g)	4.4 oz (125g)
Dimensions	3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm)	4.59" x 2.36" x 0.68" (117 x 60 x 17.3 mm)	4.84" x 2.5" x 0.41" (123 x 64 x 10.4 mm)	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	4.5" x 2" x 1" (114 x 51 x 25.4 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slab
Platform / OS	Android	Windows Mobile Professional	Windows	(proprietary)	(proprietary)
Network Bands	WCDMA: 4 GSM: 850, 900, 1800, 1900 *	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 *	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850
Data Technology	HSDPA 3.6	HSPA 7.2	HSPA+ 21	-	1xRTT
Features
GPS / Location	n/a	n/a	n/a	Yes	Yes
Ruggedized	-	-	-	-	Yes
Accessibility
Adjustable Text Size	n/a	n/a	n/a	Yes	-
Hearing Aid Compatible	-	-	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)	-
Multiple Languages	n/a	n/a	n/a	Yes	Yes
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	-
USB	Yes Micro-USB	Yes	Yes Micro-USB	-	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	n/a	n/a	n/a	-	Yes
Ringer ID	n/a	n/a	n/a	-	Yes
Voice Dialing	n/a	n/a	n/a	Yes	Yes
Customization
Custom Graphics	n/a	n/a	n/a	-	Yes
Custom Ringtones	n/a	n/a	n/a	-	Yes
Real-Music Ringers	n/a	n/a	n/a	-	-
Data & Network
Data Tethering	n/a	n/a	n/a	-	-
WAP / Web Browser	n/a	n/a	n/a	-	Yes
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	Yes	-	-	-
Text Keyboard, Hardware	Yes	Yes	-	-	-
Touch Screen	Yes Capacitive	Yes	Yes Capacitive	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	-	-
Messaging
Email Client	n/a	n/a	n/a	-	-
EMS / Picture Messaging	n/a	n/a	n/a	Yes	-
Instant Messaging	n/a	n/a	n/a	-	-
MMS	n/a	n/a	n/a	-	-
Text Messaging Templates	n/a	n/a	n/a	-	-
Music
Headphone Jack (3.5mm)	Yes	-	Yes	-	-
Music Player	n/a	n/a	n/a	-	-
Photo & Video
TV Output	-	Yes	-	-	-
Video Calling	n/a	n/a	n/a	-	-
Productivity
Alarm	n/a	n/a	n/a	Yes	Yes
Calculator	n/a	n/a	n/a	Yes	-
Calendar	n/a	n/a	n/a	Yes	Yes
To-Do List	n/a	n/a	n/a	-	Yes
Voice Memo	n/a	n/a	n/a	-	Yes
Software
Games	n/a	n/a	n/a	-	Yes
Java (J2ME)	n/a	n/a	n/a	-	Yes
Voice
Call Screening	-	-	-	-	Yes
Headset Jack (2.5 mm)	n/a	n/a	n/a	Yes	-
Push-To-Talk	-	Yes *	-	-	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Motorola Charm	HTC Touch Pro2 (GSM) / Tilt 2	Huawei W1	Samsung Knack U310	Sanyo RL-4930
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola Charm	HTC Touch Pro2 (GSM) / Tilt 2	Huawei W1	Samsung Knack U310	Sanyo RL-4930