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Phone Samsung SGH-X507 / X506 Motorola T720 / T721 (GSM) Alcatel 665 Audiovox CDM-8450 / CDM-8455 / VI600
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 1.8" diag.
4 : 3
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
120 x 160 pixels
LCD (STN)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
Display Refresh ? ? ? ?
Battery 800 mAh ? 650 mAh ?
Processor ? ? ? ?
RAM ? ? 16 MB ?
Storage ? raw hardware ? raw hardware 32 MB ? raw hardware
Main Camera - - 2 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - QCIF (176 x 144) -
Front Camera - - - -
Weight 2.9 oz
(82g)
3.56 oz
(101g)
2.72 oz
(77g)
3.2 oz
(91g)
Dimensions 3.3" x 1.75" x 0.75"
(84 x 44 x 19.1 mm)
3.5" x 1.87" x 0.83"
(89 x 47 x 21.1 mm)
3.78" x 1.89" x 0.66"
(96 x 48 x 16.8 mm)
4.3" x 1.8" x 0.7"
(109 x 46 x 17.8 mm)
Form Factor Clamshell Clamshell Clamshell Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 850, 900, 1800, 1900

GSM: 850, 1900

GSM: 850, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology EDGE GPRS - 1xRTT
Features 
GPS / Location - - - Yes
Accessibility
Hearing Aid Compatible - - Yes -
Multiple Languages Yes Yes Yes Yes
TTY/TDD (Digital) Yes - - Yes
Alerts
Extra Display Yes Yes Yes -
Ringer Profiles - - Yes -
Connectivity
Bluetooth - - Yes -
USB Yes - Yes
Micro-USB
-
Contacts
Picture ID Yes - Yes -
Ringer ID Yes Yes Yes -
Voice Dialing - Yes - Yes
Customization
Changeable Body Plates - Yes - -
Custom Graphics Yes Yes Yes Yes
Custom Ringtones Yes Yes Yes Yes
Real-Music Ringers Yes - Yes -
Data & Network
Data Tethering Yes Yes - Yes
WAP / Web Browser Yes Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes Yes
Side Keys 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 -
Text Messaging Templates Yes Yes Yes -
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) - - Yes -
Music Player - - Yes -
Productivity
Alarm Yes Yes Yes Yes
Calculator Yes Yes Yes Yes
Calendar Yes Yes Yes Yes
Voice Memo Yes Yes Yes Yes
Software
Games Yes Yes Yes Yes
Java (J2ME) Yes Yes Yes Yes
Voice
Headset Jack (2.5 mm) Yes Yes - Yes
Speaker Phone Yes - Yes Yes
  * Some versions only
  Samsung SGH-X507 / X506 Motorola T720 / T721 (GSM) Alcatel 665 Audiovox CDM-8450 / CDM-8455 / VI600
  X > < X > < X > < X

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

 
Phone Samsung SGH-X507 / X506 Motorola T720 / T721 (GSM) Alcatel 665 Audiovox CDM-8450 / CDM-8455 / VI600

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