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Phone Sharp Z-800 (Audiovox 7900) Ericsson R520 Samsung SCH-A220 LG VX-1 / TM-520
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? ? ?
Display Resolution & Type ?
LCD (Color)
? 128 x 128 pixels
LCD (STN)
128 x 104 pixels
Display Refresh ? ? ? ?
Battery ? ? ? 900 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - - -
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - - -
Front Camera - - - -
Weight 4.25 oz
(120g)
4.23 oz
(120g)
3.25 oz
(92g)
3.8 oz
(108g)
Dimensions 3.6" x 2" x 1.1"
(91 x 51 x 27.9 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
2.87" x 2.09" x 0.94"
(73 x 53 x 23.9 mm)
3.3" x 1.8" x 0.97"
(84 x 46 x 24.6 mm)
Form Factor Clamshell Slab Clamshell Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology - GPRS 1xRTT 1xRTT
Features 
GPS / Location - - Yes -
Accessibility
Multiple Languages - Yes Yes Yes
TTY/TDD (Digital) - - - Yes
Alerts
Extra Display - - - Yes
Ringer Profiles - Yes - -
Connectivity
Bluetooth - Yes
HSP, Sync, OPP, DUN
- -
Infrared (IR) - Yes - -
Contacts
Picture ID Yes - - -
Ringer ID Yes - Yes -
Voice Dialing - Yes Yes Yes *
Customization
Custom Graphics Yes - Yes -
Custom Ringtones Yes Yes Yes -
Data & Network
Data Tethering Yes Yes Yes Yes
WAP / Web Browser Yes Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes Yes
Side Keys Yes Yes Yes Yes
Messaging
Text Messaging Templates Yes Yes Yes Yes
Productivity
Alarm Yes Yes Yes Yes
Calculator - Yes Yes Yes
Calendar - Yes Yes Yes
To-Do List - - Yes -
Voice Memo - Yes Yes Yes *
Software
BREW Yes - - -
Games Yes Yes - Yes
Voice
Headset Jack (2.5 mm) Yes - Yes Yes
Speaker Phone - Yes - -
  * Some versions only
  Sharp Z-800 (Audiovox 7900) Ericsson R520 Samsung SCH-A220 LG VX-1 / TM-520
  X > < X > < X > < X

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

 
Phone Sharp Z-800 (Audiovox 7900) Ericsson R520 Samsung SCH-A220 LG VX-1 / TM-520

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