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Phone	Sony Ericsson C905	Motorola Citrus	Audiovox CDM-8500	Samsung Knack U310	Palm Treo 650 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	3" diag. 4 : 3	?	2.2" diag. 4 : 3	?
Display Resolution & Type	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	240 x 320 pixels (~133 ppi) LCD (TFT/TFD)	?	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	930 mAh	1,150 mAh	?	1,000 mAh	?
Processor	?	?	?	?	312 MHz Intel XScale PXA270
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	8 megapixel	3 megapixel	-	-	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	CIF (352 x 288)	-	-	QVGA (320 x 240)
Front Camera	-	-	-	-	-
Weight	4.76 oz (135g)	3.88 oz (110g)	3.2 oz (91g)	3.63 oz (103g)	6.3 oz (179g)
Dimensions	4.15" x 1.93" x 0.77" (105 x 49 x 19.6 mm)	4.09" x 2.32" x 0.59" (104 x 59 x 15 mm)	3.3" x 1.6" x 0.9" (84 x 41 x 22.9 mm)	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)
Form Factor	Slide	Slab	Clamshell	Clamshell	Slab
Platform / OS	(proprietary)	Android	(proprietary)	(proprietary)	Palm OS
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	HSDPA 3.6	EVDO r0	1xRTT	-	1xRTT
Features
GPS / Location	Yes	n/a	Yes	Yes	n/a
Accessibility
Adjustable Text Size	-	n/a	-	Yes	n/a
Hearing Aid Compatible	-	-	-	Yes M4, T4 (very tele-coil compatible)	-
Multiple Languages	Yes	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	-
Alerts
Extra Display	-	-	Yes	Yes	-
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	Yes	-	-	Yes
Infrared (IR)	-	-	-	-	Yes
USB	Yes	Yes Micro-USB	-	-	-
Wi-Fi	Yes *	Yes 802.11 b,g	-	-	-
Contacts
Picture ID	Yes	n/a	-	-	n/a
Ringer ID	Yes	n/a	Yes	-	n/a
Voice Dialing	Yes	n/a	Yes	Yes	n/a
Customization
Custom Graphics	Yes	n/a	-	-	n/a
Custom Ringtones	Yes	n/a	-	-	n/a
Real-Music Ringers	Yes	n/a	-	-	n/a
Data & Network
Data Tethering	Yes	n/a	Yes	-	n/a
WAP / Web Browser	Yes	n/a	Yes	-	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	-	Yes Capacitive	-	-	Yes
Memory
Memory Card Slot	Yes	Yes	-	-	Yes
Messaging
Email Client	Yes	n/a	-	-	n/a
EMS / Picture Messaging	-	n/a	-	Yes	n/a
Instant Messaging	Yes	n/a	-	-	n/a
MMS	Yes	n/a	-	-	n/a
Text Messaging Templates	Yes	n/a	-	-	n/a
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	-	Yes	-	-	-
Music Player	Yes	n/a	-	-	n/a
Photo & Video
Video Calling	Yes *	n/a	-	-	n/a
Productivity
Alarm	Yes	n/a	Yes	Yes	n/a
Calculator	Yes	n/a	Yes	Yes	n/a
Calendar	Yes	n/a	Yes	Yes	n/a
To-Do List	Yes	n/a	-	-	n/a
Voice Memo	Yes	n/a	Yes	-	n/a
Software
BREW	-	n/a	Yes *	-	n/a
Games	Yes	n/a	Yes	-	n/a
Java (J2ME)	Yes	n/a	-	-	n/a
Voice
Headset Jack (2.5 mm)	-	n/a	Yes	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Sony Ericsson C905	Motorola Citrus	Audiovox CDM-8500	Samsung Knack U310	Palm Treo 650 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Sony Ericsson C905	Motorola Citrus	Audiovox CDM-8500	Samsung Knack U310	Palm Treo 650 (CDMA)