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Phone Samsung SGH-P705 Motorola A845 Samsung SGH-X820 Motorola RIZR Z3 Motorola T720 / T721 (GSM)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Not yet released Released Released Released Released
Specifications 
Display Size ? ? ? ? ?
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
220 x 176 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
120 x 160 pixels
LCD (STN)
Display Refresh ? ? ? ? ?
Battery ? ? 650 mAh 780 mAh ?
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - Yes 2 megapixel 2 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - ? ? QCIF (176 x 144) -
Front Camera - Yes - - -
Weight 4.59 oz
(130g)
5.47 oz
(155g)
2.33 oz
(66g)
3.92 oz
(111g)
3.56 oz
(101g)
Dimensions 3.62" x 2.01" x 1.04"
(92 x 51 x 26.4 mm)
5.4" x 2.2" x 1"
(137 x 56 x 25.4 mm)
4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
4.15" x 1.79" x 0.65"
(105 x 45 x 16.5 mm)
3.5" x 1.87" x 0.83"
(89 x 47 x 21.1 mm)
Form Factor Clamshell Slab Slab Slide Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 900, 1900

WCDMA: 2

GSM: 850, 1800, 1900

GSM: 900, 1800, 1900

GSM: 850, 900, 1800, 1900

GSM: 850, 1900

Data Technology GPRS WCDMA (UMTS) EDGE EDGE GPRS
Features 
GPS / Location - Yes - - -
Accessibility
Multiple Languages Yes Yes Yes Yes Yes
TTY/TDD (Digital) - Yes - Yes -
Alerts
Extra Display Yes - - - Yes
Ringer Profiles - Yes - Yes -
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Infrared (IR) Yes Yes - - -
USB - Yes Yes Yes
Mini-USB
-
Contacts
Picture ID - Yes Yes Yes -
Ringer ID - Yes Yes Yes Yes
Voice Dialing - Yes - Yes Yes
Customization
Changeable Body Plates - - - - Yes
Custom Graphics Yes Yes Yes Yes Yes
Custom Ringtones Yes Yes Yes Yes Yes
Real-Music Ringers - Yes Yes Yes -
Data & Network
Data Tethering - Yes - Yes Yes
External Antenna Jack - - 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 Yes Yes * Yes
EMS / Picture Messaging Yes Yes Yes Yes Yes
Instant Messaging - Yes - Yes -
MMS Yes Yes Yes Yes -
Text Messaging Templates Yes - Yes Yes Yes
Music
Music Player - Yes - Yes -
Photo & Video
TV Output - - 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
Games Yes Yes Yes Yes Yes
Java (J2ME) Yes Yes Yes Yes Yes
Voice
Headset Jack (2.5 mm) Yes Yes - - Yes
Speaker Phone - Yes Yes Yes -
  * Some versions only
  Samsung SGH-P705 Motorola A845 Samsung SGH-X820 Motorola RIZR Z3 Motorola T720 / T721 (GSM)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-P705 Motorola A845 Samsung SGH-X820 Motorola RIZR Z3 Motorola T720 / T721 (GSM)

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