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Phone LG VX-6000 Samsung SGH-X640 ZTE Z221 Motorola V551 / V330 / V547 / V555 / V557 Samsung SCH-A770
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Not yet released
Specifications 
Display Size ? ? 2" diag.
4 : 3
? ?
Display Resolution & Type 120 x 160 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 950 mAh 800 mAh 900 mAh 820 mAh 1,100 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware 142 MB ? raw hardware ? raw hardware
Main Camera Yes Yes Yes Yes 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - QCIF (176 x 144) ? ?
Front Camera - - - - -
Weight 3.98 oz
(113g)
3 oz
(85g)
3.24 oz
(92g)
4.23 oz
(120g)
?
Dimensions 3.54" x 1.9" x 0.95"
(90 x 48 x 24.1 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
3.5" x 1.93" x 0.97"
(89 x 49 x 24.6 mm)
?
Form Factor Clamshell Clamshell Clamshell Clamshell Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

Data Technology 1xRTT GPRS HSDPA 3.6 EDGE 1xRTT
Features 
GPS / Location Yes - Yes - Yes
Accessibility
Hearing Aid Compatible - - Yes
M3, T3 (mostly tele-coil compatible)
- -
Multiple Languages Yes Yes Yes Yes Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display Yes - Yes Yes Yes
Ringer Profiles - - Yes Yes Yes
Connectivity
Bluetooth - - Yes Yes -
USB Yes - Yes Yes -
Contacts
Picture ID Yes Yes - Yes Yes
Ringer ID Yes Yes - Yes Yes
Voice Dialing Yes - - Yes Yes
Customization
Custom Graphics Yes Yes Yes Yes Yes
Custom Ringtones Yes Yes Yes Yes Yes
Real-Music Ringers - - Yes Yes -
Data & Network
Data Tethering Yes - - Yes Yes
WAP / Web Browser Yes Yes Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes Yes Yes
Side Keys Yes Yes Yes Yes Yes
Memory
Memory Card Slot - - - - Yes
Messaging
Email Client - - Yes Yes -
EMS / Picture Messaging - Yes - Yes -
Instant Messaging - - Yes Yes -
MMS Yes Yes Yes Yes Yes
Text Messaging Templates Yes Yes Yes Yes Yes
Productivity
Alarm Yes Yes Yes Yes Yes
Calculator Yes Yes Yes Yes Yes
Calendar Yes Yes Yes Yes Yes
To-Do List - Yes - - Yes
Voice Memo Yes Yes Yes Yes Yes
Software
BREW Yes - - - Yes
Games Yes Yes Yes Yes Yes
Java (J2ME) - Yes Yes Yes -
Voice
Call Screening - - - - Yes
Headset Jack (2.5 mm) Yes Yes - Yes Yes
Speaker Phone - Yes Yes Yes -
  LG VX-6000 Samsung SGH-X640 ZTE Z221 Motorola V551 / V330 / V547 / V555 / V557 Samsung SCH-A770
  X > < X > < X > < X > < X

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

 
Phone LG VX-6000 Samsung SGH-X640 ZTE Z221 Motorola V551 / V330 / V547 / V555 / V557 Samsung SCH-A770

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