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Phone Samsung SGH-X640 Palm Treo 600 (CDMA) LG VX-8500 Chocolate BlackBerry 7750 Samsung SCH-A770
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Not yet released
Specifications 
Display Size ? ? ? ? ?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
160 x 160 pixels
LCD (Color)
240 x 320 pixels
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 800 mAh ? 800 mAh ? 1,100 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes Yes 1 megapixel - 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - QCIF (176 x 144) - ?
Front Camera - - - - -
Weight 3 oz
(85g)
6.2 oz
(176g)
3.53 oz
(100g)
5.01 oz
(142g)
?
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
3.8" x 1.88" x 0.69"
(97 x 48 x 17.5 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
?
Form Factor Clamshell Slab Slide Slab Clamshell
Platform / OS (proprietary) Palm OS (proprietary) BlackBerry OS (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology GPRS 1xRTT EVDO r0 1xRTT 1xRTT
Features 
GPS / Location - n/a Yes n/a Yes
Accessibility
Hearing Aid Compatible - - Yes
M3 (mostly compatible)
- -
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles - - - Yes Yes
Connectivity
Bluetooth - - Yes - -
Infrared (IR) - Yes - - -
USB - Yes - Yes -
Contacts
Picture ID Yes n/a Yes n/a Yes
Ringer ID Yes n/a Yes n/a Yes
Voice Dialing - n/a Yes n/a Yes
Customization
Custom Graphics Yes n/a Yes n/a Yes
Custom Ringtones Yes n/a Yes n/a Yes
Real-Music Ringers - n/a Yes n/a -
Data & Network
Data Tethering - n/a Yes n/a Yes
External Antenna Jack - n/a Yes n/a -
WAP / Web Browser Yes n/a Yes n/a Yes
Input
Predictive Text Entry Yes n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - Yes -
Touch Screen - Yes - - -
Memory
Memory Card Slot - Yes Yes - Yes
Messaging
Email Client - n/a - n/a -
EMS / Picture Messaging Yes n/a - n/a -
MMS Yes n/a Yes n/a Yes
Text Messaging Templates Yes n/a Yes n/a Yes
Music
Music Player - n/a Yes n/a -
Productivity
Alarm Yes n/a Yes n/a Yes
Calculator Yes n/a Yes n/a Yes
Calendar Yes n/a Yes n/a Yes
To-Do List Yes n/a - n/a Yes
Voice Memo Yes n/a Yes n/a Yes
Software
BREW - n/a Yes n/a Yes
Games Yes n/a Yes n/a Yes
Java (J2ME) Yes n/a - n/a -
Voice
Call Screening - - - - Yes
Headset Jack (2.5 mm) Yes n/a - n/a Yes
Speaker Phone Yes Yes Yes * - -
  * Some versions only
  Samsung SGH-X640 Palm Treo 600 (CDMA) LG VX-8500 Chocolate BlackBerry 7750 Samsung SCH-A770
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Palm Treo 600 (CDMA) LG VX-8500 Chocolate BlackBerry 7750 Samsung SCH-A770

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