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Phone Samsung PM-A840 LG LX-5550 / VX-5550 ZTE Groove Samsung SGH-T819 Sharp Z-800 (Audiovox 7900)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 3.2" diag.
5 : 3
? ?
Display Resolution & Type 128 x 160 pixels
LCD (STN)
120 x 160 pixels
LCD (STN)
320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
?
LCD (Color)
Display Refresh ? ? 60 Hz ? ?
Battery ? 950 mAh 1,500 mAh ? ?
Processor ? ? 800 MHz Qualcomm MSM7627A ? ?
RAM ? ? 512 MB ? ?
Storage ? raw hardware ? raw hardware 1 GB ? raw hardware ? raw hardware
Main Camera Yes - 3 megapixel 1 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 720p HD QCIF (176 x 144) -
Front Camera - - Yes - -
Weight 3.28 oz
(93g)
3.89 oz
(110g)
4.5 oz
(128g)
3.46 oz
(98g)
4.25 oz
(120g)
Dimensions 3.54" x 1.85" x 0.94"
(90 x 47 x 23.9 mm)
3.52" x 1.9" x 0.94"
(89 x 48 x 23.9 mm)
4.67" x 2.46" x 0.55"
(119 x 62 x 14 mm)
3.96" x 2.03" x 0.55"
(101 x 52 x 14 mm)
3.6" x 2" x 1.1"
(91 x 51 x 27.9 mm)
Form Factor Clamshell Clamshell Slab Slide Clamshell
Platform / OS (proprietary) (proprietary) Android (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1700, 1900

WCDMA: 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology 1xRTT 1xRTT EVDO rA WCDMA (UMTS) -
Features 
GPS / Location Yes Yes n/a - -
Accessibility
Hearing Aid Compatible Yes - - - -
Multiple Languages Yes Yes n/a Yes -
TTY/TDD (Digital) Yes Yes - - -
Alerts
Extra Display Yes Yes - - -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth -
-
Yes
Classic Audio
Yes
Classic Audio
-
Mobile Hotspot - - n/a - -
USB - Yes Yes
Micro-USB
Yes -
Wi-Fi - - Yes - -
Contacts
Picture ID Yes - n/a Yes Yes
Ringer ID Yes Yes n/a Yes Yes
Voice Dialing Yes Yes n/a Yes -
Customization
Custom Graphics Yes Yes n/a Yes Yes
Custom Ringtones Yes Yes n/a Yes Yes
Real-Music Ringers - - n/a Yes -
Data & Network
Data Tethering - Yes n/a Yes Yes
WAP / Web Browser Yes Yes n/a Yes Yes
Input
Predictive Text Entry Yes Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes - -
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client - Yes n/a - -
EMS / Picture Messaging - - n/a Yes -
Instant Messaging - - n/a Yes -
MMS - - n/a Yes -
Text Messaging Templates Yes - n/a Yes Yes
Music
Headphone Jack (3.5mm) - - Yes - -
Music Player - - n/a Yes -
Productivity
Alarm Yes Yes n/a Yes Yes
Calculator Yes Yes n/a Yes -
Calendar Yes Yes n/a Yes -
To-Do List Yes - n/a Yes -
Voice Memo Yes Yes n/a - -
Software
BREW - Yes n/a - Yes
Games Yes Yes n/a Yes Yes
Java (J2ME) Yes - n/a Yes -
Voice
Headset Jack (2.5 mm) Yes Yes n/a - Yes
Speaker Phone Yes Yes Yes Yes -
  Samsung PM-A840 LG LX-5550 / VX-5550 ZTE Groove Samsung SGH-T819 Sharp Z-800 (Audiovox 7900)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung PM-A840 LG LX-5550 / VX-5550 ZTE Groove Samsung SGH-T819 Sharp Z-800 (Audiovox 7900)

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