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Phone Casio G'zOne Rock Palm Treo 650 (GSM) BlackBerry 7750 Samsung Galaxy Reverb
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.1" diag.
4 : 3
? ? 4" diag.
5 : 3
Display Resolution & Type 240 x 320 pixels
(~190 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz
Battery 1,150 mAh ? ? 1,700 mAh
Processor ? 312 MHz Intel XScale PXA270 ? 1.4 GHz Qualcomm S2 MSM8655
RAM ? ? ? 768 MB
Storage ? raw hardware ? raw hardware ? raw hardware 4 GB
Main Camera 2 megapixel Yes - 5 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? CIF (352 x 288) - WVGA / 480p
Front Camera - - - 1 megapixel
Weight 4.4 oz
(125g)
6.3 oz
(179g)
5.01 oz
(142g)
4.54 oz
(129g)
Dimensions 4.1" x 2" x 0.9"
(104 x 51 x 22.9 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.82" x 2.53" x 0.44"
(122 x 64 x 11.3 mm)
Form Factor Clamshell Slab Slab Slab
Platform / OS (proprietary) Palm OS BlackBerry OS Android
Network Bands

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 1900

Data Technology EVDO rA EDGE 1xRTT EVDO rA
Features 
Flashlight Yes - - -
GPS / Location Yes n/a n/a n/a
Ruggedized Yes - - -
Water-Resistant Yes - - -
Accessibility
Adjustable Text Size - n/a n/a n/a
Hearing Aid Compatible Yes - - Yes
Multiple Languages Yes n/a n/a n/a
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Extra Display Yes - - -
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
- Yes
Classic Audio
Infrared (IR) - Yes - -
USB Yes Yes Yes Yes
Wi-Fi - - - Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID Yes n/a n/a n/a
Ringer ID Yes n/a n/a n/a
Voice Dialing Yes n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a
Real-Music Ringers Yes n/a n/a n/a
Data & Network
Data Tethering Yes n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes -
Touch Screen - Yes - Yes
Memory
Memory Card Slot Yes Yes - Yes
Messaging
Email Client Yes n/a n/a n/a
Instant Messaging Yes n/a n/a n/a
MMS Yes n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a
Music
Headphone Jack (3.5mm) - - - Yes
Music Player Yes n/a n/a n/a
Productivity
Alarm Yes n/a n/a n/a
Calculator Yes n/a n/a n/a
Calendar Yes n/a n/a n/a
To-Do List - n/a n/a n/a
Voice Memo Yes n/a n/a n/a
Software
BREW Yes n/a n/a n/a
Games Yes n/a n/a n/a
Java (J2ME) - n/a n/a n/a
Voice
Headset Jack (2.5 mm) Yes n/a n/a n/a
Push-To-Talk Yes - - -
Speaker Phone Yes Yes - Yes
  * Some versions only
  Casio G'zOne Rock Palm Treo 650 (GSM) BlackBerry 7750 Samsung Galaxy Reverb
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Phone Casio G'zOne Rock Palm Treo 650 (GSM) BlackBerry 7750 Samsung Galaxy Reverb

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