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Phone Samsung SGH-X640 Pantech Laser Pantech Matrix Pro C820
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size ? 3.1" diag.
5 : 3
2.4" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~301 ppi)
AMOLED
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ?
Battery 800 mAh 1,000 mAh 1,320 mAh
Processor ? ? 528 MHz ARM 11
RAM ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes 3 megapixel 2 megapixel
Wide Camera - - -
Tele Camera - - -
Video Capture - VGA (640 x 480) QCIF (176 x 144)
Front Camera - - -
Weight 3 oz
(85g)
4.05 oz
(115g)
5.34 oz
(151g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.44" x 2.27" x 0.39"
(113 x 58 x 9.9 mm)
4.2" x 2" x 0.9"
(107 x 51 x 22.9 mm)
Form Factor Clamshell Slide Slide
Platform / OS (proprietary) (proprietary) Windows Mobile Standard
Network Bands

GSM: 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology GPRS HSPA 7.2 HSDPA 3.6
Features 
GPS / Location - Yes n/a
Accessibility
Multiple Languages Yes Yes n/a
TTY/TDD (Digital) - Yes Yes
Alerts
Ringer Profiles - Yes Yes
Connectivity
Bluetooth - Yes Yes
USB - Yes
Micro-USB
Yes
Contacts
Picture ID Yes Yes n/a
Ringer ID Yes Yes n/a
Voice Dialing - - n/a
Customization
Custom Graphics Yes Yes n/a
Custom Ringtones Yes Yes n/a
Real-Music Ringers - Yes n/a
Data & Network
Data Tethering - Yes n/a
WAP / Web Browser Yes Yes n/a
Input
Predictive Text Entry Yes Yes n/a
Side Keys Yes Yes Yes
Text Keyboard, Hardware - Yes Yes
Touch Screen - Yes
Resistive
-
Memory
Memory Card Slot - Yes Yes
Messaging
Email Client - Yes n/a
EMS / Picture Messaging Yes - n/a
Instant Messaging - Yes n/a
MMS Yes Yes n/a
Text Messaging Templates Yes Yes n/a
Music
Music Player - Yes n/a
Productivity
Alarm Yes Yes n/a
Calculator Yes Yes n/a
Calendar Yes Yes n/a
To-Do List Yes - n/a
Voice Memo Yes Yes n/a
Software
Games Yes Yes n/a
Java (J2ME) Yes Yes n/a
Voice
Headset Jack (2.5 mm) Yes - n/a
Speaker Phone Yes Yes Yes
  Samsung SGH-X640 Pantech Laser Pantech Matrix Pro C820
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Phone Samsung SGH-X640 Pantech Laser Pantech Matrix Pro C820

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