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Phone Samsung SGH-E640 Motorola Krave ZN4
Current U.S. Carriers (none) (none)
Global Availability Released Released
Specifications 
Display Size ? 2.8" diag.
5 : 3
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
240 x 400 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? ?
Battery 800 mAh 950 mAh
Processor ? ?
RAM ? ?
Storage ? raw hardware ? raw hardware
Main Camera 1 megapixel 2 megapixel
Wide Camera - -
Tele Camera - -
Video Capture QCIF (176 x 144) QVGA (320 x 240)
Front Camera - -
Weight 3.17 oz
(90g)
4.52 oz
(128g)
Dimensions 3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
4.12" x 2.01" x 0.74"
(105 x 51 x 18.8 mm)
Form Factor Clamshell Flip
Platform / OS (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

Data Technology GPRS EVDO r0
Features 
GPS / Location - Yes
Accessibility
Hearing Aid Compatible - Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes Yes
TTY/TDD (Digital) - Yes
Alerts
Extra Display Yes -
Connectivity
Bluetooth Yes Yes
USB Yes Yes
Micro-USB
Contacts
Picture ID Yes Yes
Ringer ID Yes Yes
Voice Dialing - Yes
Customization
Custom Graphics Yes Yes
Custom Ringtones Yes Yes
Real-Music Ringers Yes Yes
Data & Network
Data Tethering - Yes
WAP / Web Browser Yes Yes
Input
Predictive Text Entry Yes Yes
Side Keys Yes Yes
Touch Screen - Yes
Memory
Memory Card Slot - Yes
Messaging
Email Client Yes Yes
EMS / Picture Messaging Yes Yes
Instant Messaging - Yes
MMS Yes Yes
Text Messaging Templates Yes Yes
Music
Headphone Jack (3.5mm) - Yes
Music Player Yes Yes
Productivity
Alarm Yes Yes
Calculator Yes Yes
Calendar Yes Yes
To-Do List Yes -
Voice Memo Yes Yes
Software
BREW - Yes
Games Yes Yes
Java (J2ME) Yes -
Voice
Speaker Phone Yes Yes
  Samsung SGH-E640 Motorola Krave ZN4
  X > < X

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Phone Samsung SGH-E640 Motorola Krave ZN4

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