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Phone Samsung SCH-A990 Casio G'zOne Rock BlackBerry 7750 Samsung SGH-E340 / SGH-E340E
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Not yet released
Specifications 
Display Size ? 2.1" diag.
4 : 3
? ?
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~190 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,000 mAh 1,150 mAh ? ?
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 3 megapixel 2 megapixel - Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? ? - ?
Front Camera - - - -
Weight 4.4 oz
(125g)
4.4 oz
(125g)
5.01 oz
(142g)
2.75 oz
(78g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.1" x 2" x 0.9"
(104 x 51 x 22.9 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
3.39" x 1.77" x 0.94"
(86 x 45 x 23.9 mm)
Form Factor Clamshell Clamshell Slab Clamshell
Platform / OS (proprietary) (proprietary) BlackBerry OS (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

Data Technology EVDO r0 EVDO rA 1xRTT GPRS
Features 
Flashlight Yes Yes - -
GPS / Location Yes Yes n/a -
Ruggedized - Yes - -
Water-Resistant - Yes - -
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M4, T4 (very tele-coil compatible)
- -
Multiple Languages Yes Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display Yes Yes - Yes
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes Yes - Yes
USB Yes Yes Yes Yes
Contacts
Picture ID Yes Yes n/a -
Ringer ID Yes Yes n/a -
Voice Dialing Yes Yes n/a -
Customization
Custom Graphics Yes Yes n/a Yes
Custom Ringtones Yes Yes n/a Yes
Real-Music Ringers Yes Yes n/a Yes
Data & Network
Data Tethering Yes Yes n/a Yes
WAP / Web Browser Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes -
Memory
Memory Card Slot Yes Yes - -
Messaging
Email Client - Yes n/a Yes
EMS / Picture Messaging Yes - n/a Yes
Instant Messaging - Yes n/a -
MMS Yes Yes n/a Yes
Text Messaging Templates Yes Yes n/a -
Music
Music Player Yes Yes n/a Yes
Stereo Speakers Yes - - -
Photo & Video
TV Output Yes - - -
Productivity
Alarm Yes Yes n/a -
Calculator Yes Yes n/a -
Calendar Yes Yes n/a -
To-Do List - - n/a -
Voice Memo Yes Yes n/a Yes
Software
BREW Yes Yes n/a -
Games Yes Yes n/a Yes
Java (J2ME) - - n/a Yes
Voice
Headset Jack (2.5 mm) - Yes n/a -
Push-To-Talk - Yes - -
Speaker Phone Yes Yes - Yes
  Samsung SCH-A990 Casio G'zOne Rock BlackBerry 7750 Samsung SGH-E340 / SGH-E340E
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Phone Samsung SCH-A990 Casio G'zOne Rock BlackBerry 7750 Samsung SGH-E340 / SGH-E340E

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