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Phone Samsung VI-A820 Samsung Trender Samsung SGH-E640
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size ? 2.8" diag.
4 : 3
?
Display Resolution & Type 128 x 160 pixels
LCD (STN)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? ?
Battery 1,000 mAh 1,000 mAh 800 mAh
Processor ? Qualcomm QSC6055 ?
RAM ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware
Main Camera - 1 megapixel 1 megapixel
Wide Camera - - -
Tele Camera - - -
Video Capture - - QCIF (176 x 144)
Front Camera - - -
Weight 3.14 oz
(89g)
4 oz
(113g)
3.17 oz
(90g)
Dimensions 3.56" x 1.88" x 1.06"
(90 x 48 x 26.9 mm)
4.2" x 2.2" x 0.6"
(107 x 56 x 15.2 mm)
3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
Form Factor Clamshell Slide Clamshell
Platform / OS (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 800, 850, 1900

GSM: 900, 1800, 1900

Data Technology 1xRTT 1xRTT GPRS
Features 
GPS / Location Yes Yes -
Accessibility
Hearing Aid Compatible - Yes -
Multiple Languages Yes Yes Yes
TTY/TDD (Digital) Yes Yes -
Alerts
Extra Display Yes - Yes
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
USB - Yes
Micro-USB
Yes
Contacts
Picture ID Yes Yes Yes
Ringer ID Yes Yes Yes
Voice Dialing Yes Yes -
Customization
Custom Graphics Yes Yes Yes
Custom Ringtones Yes Yes Yes
Real-Music Ringers - Yes Yes
Data & Network
WAP / Web Browser Yes Yes Yes
Input
Predictive Text Entry Yes - Yes
Side Keys Yes Yes Yes
Text Keyboard, Hardware - Yes -
Touch Screen - Yes -
Memory
Memory Card Slot - Yes -
Messaging
Email Client - Yes Yes
EMS / Picture Messaging - - Yes
MMS - Yes Yes
Text Messaging Templates - - Yes
Music
Headphone Jack (3.5mm) - Yes -
Music Player - Yes Yes
Productivity
Alarm Yes Yes Yes
Calculator Yes Yes Yes
Calendar Yes Yes Yes
To-Do List Yes - Yes
Voice Memo Yes - Yes
Software
Games Yes - Yes
Java (J2ME) Yes - Yes
Voice
Headset Jack (2.5 mm) Yes - -
Push-To-Talk Yes - -
Speaker Phone Yes Yes Yes
  Samsung VI-A820 Samsung Trender Samsung SGH-E640
  X > < X > < X

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

 
Phone Samsung VI-A820 Samsung Trender Samsung SGH-E640

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