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Phone	Sharp Z-800 (Audiovox 7900)	Palm Treo 800w	Sanyo RL-4930	Samsung SGH-E400	BlackBerry 8830
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Not yet released	Released
Display Size	?	?	?	?	?
Display Resolution & Type	? LCD (Color)	320 x 320 pixels LCD (TFT/TFD)	128 x 112 pixels LCD (STN)	128 x 144 pixels LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	?	1,150 mAh	1,700 mAh	700 mAh	1,400 mAh
Processor	?	?	?	?	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	2 megapixel	-	-	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	QVGA (320 x 240)	-	-	-
Front Camera	-	-	-	-	-
Weight	4.25 oz (120g)	5 oz (142g)	4.4 oz (125g)	3.1 oz (88g)	4.6 oz (130g)
Dimensions	3.6" x 2" x 1.1" (91 x 51 x 27.9 mm)	4.4" x 2.3" x 0.7" (112 x 58 x 17.8 mm)	4.5" x 2" x 1" (114 x 51 x 25.4 mm)	3.46" x 1.65" x 0.89" (88 x 42 x 22.6 mm)	4.49" x 2.6" x 0.55" (114 x 66 x 14 mm)
Form Factor	Clamshell	Slab	Slab	Clamshell	Slab
Platform / OS	(proprietary)	Windows Mobile Professional	(proprietary)	(proprietary)	BlackBerry OS
Network Bands	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850	GSM: 900, 1800, 1900	CDMA: 850, 1900 GSM: 900, 1800 *
Data Technology	-	EVDO rA	1xRTT	GPRS	EVDO r0
Features
GPS / Location	-	n/a	Yes	-	n/a
Ruggedized	-	-	Yes	-	-
Accessibility
Adjustable Text Size	-	n/a	-	-	n/a
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	-	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	-	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	-	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	-	Yes	-	-	Yes
Infrared (IR)	-	Yes	-	Yes	-
USB	-	Yes Micro-USB	Yes	-	Yes
Wi-Fi	-	Yes 802.11 b,g	-	-	-
Contacts
Picture ID	Yes	n/a	Yes	-	n/a
Ringer ID	Yes	n/a	Yes	-	n/a
Voice Dialing	-	n/a	Yes	-	n/a
Customization
Custom Graphics	Yes	n/a	Yes	Yes	n/a
Custom Ringtones	Yes	n/a	Yes	Yes	n/a
Real-Music Ringers	-	n/a	-	-	n/a
Data & Network
Data Tethering	Yes	n/a	-	Yes	n/a
External Antenna Jack	-	n/a	-	-	n/a
WAP / Web Browser	Yes	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	Yes	-	-	-
Text Keyboard, Hardware	-	Yes	-	-	Yes
Touch Screen	-	Yes Resistive	-	-	-
Memory
Memory Card Slot	-	Yes	-	-	Yes
Messaging
Email Client	-	n/a	-	-	n/a
EMS / Picture Messaging	-	n/a	-	Yes	n/a
Instant Messaging	-	n/a	-	-	n/a
MMS	-	n/a	-	-	n/a
Text Messaging Templates	Yes	n/a	-	Yes	n/a
Music
Music Player	-	n/a	-	-	n/a
Productivity
Alarm	Yes	n/a	Yes	Yes	n/a
Calculator	-	n/a	-	Yes	n/a
Calendar	-	n/a	Yes	Yes	n/a
To-Do List	-	n/a	Yes	Yes	n/a
Voice Memo	-	n/a	Yes	-	n/a
Software
BREW	Yes	n/a	-	-	n/a
Games	Yes	n/a	Yes	Yes	n/a
Java (J2ME)	-	n/a	Yes	Yes	n/a
Voice
Call Screening	-	-	Yes	-	-
Headset Jack (2.5 mm)	Yes	n/a	-	Yes	n/a
Push-To-Talk	-	-	Yes	-	Yes *
Speaker Phone	-	Yes	Yes	-	Yes
	* Some versions only
	Sharp Z-800 (Audiovox 7900)	Palm Treo 800w	Sanyo RL-4930	Samsung SGH-E400	BlackBerry 8830
	X >	< X >	< X >	< X >	< X

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


Phone	Sharp Z-800 (Audiovox 7900)	Palm Treo 800w	Sanyo RL-4930	Samsung SGH-E400	BlackBerry 8830