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Phone Sharp Sidekick LX 2009 BlackBerry Curve 8300 Motorola Krave ZN4 Samsung SGH-X660 Motorola T720 / T721 (GSM)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.2" diag.
16 : 9
? 2.8" diag.
5 : 3
? ?
Display Resolution & Type 854 x 480 pixels
(~306 ppi)
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
240 x 400 pixels
(~167 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
120 x 160 pixels
LCD (STN)
Display Refresh ? ? ? ? ?
Battery 1,250 mAh ? 950 mAh 800 mAh ?
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 3 megapixel 2 megapixel 2 megapixel Yes -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) - QVGA (320 x 240) ? -
Front Camera - - - - -
Weight 5.78 oz
(164g)
3.92 oz
(111g)
4.52 oz
(128g)
2.75 oz
(78g)
3.56 oz
(101g)
Dimensions 5.12" x 2.36" x 0.63"
(130 x 60 x 16 mm)
4.2" x 2.36" x 0.61"
(107 x 60 x 15.5 mm)
4.12" x 2.01" x 0.74"
(105 x 51 x 18.8 mm)
3.52" x 1.77" x 0.85"
(89 x 45 x 21.6 mm)
3.5" x 1.87" x 0.83"
(89 x 47 x 21.1 mm)
Form Factor Swivel Slab Flip Clamshell Clamshell
Platform / OS (proprietary) BlackBerry OS (proprietary) (proprietary) (proprietary)
Network Bands

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

GSM: 850, 1900

Data Technology HSPA 7.2 EDGE EVDO r0 GPRS GPRS
Features 
GPS / Location Yes n/a Yes - -
Accessibility
Adjustable Text Size Yes n/a - - -
Hearing Aid Compatible Yes - Yes - -
Multiple Languages Yes n/a Yes Yes Yes
TTY/TDD (Digital) - Yes Yes - -
Alerts
Extra Display - - - Yes Yes
Ringer Profiles Yes Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
-
Infrared (IR) - - - Yes -
USB Yes Yes Yes
Micro-USB
- -
Contacts
Picture ID Yes n/a Yes Yes -
Ringer ID Yes n/a Yes Yes Yes
Voice Dialing - n/a Yes - Yes
Customization
Changeable Body Plates - - - - Yes
Custom Graphics Yes n/a Yes Yes Yes
Custom Ringtones Yes n/a Yes Yes Yes
Real-Music Ringers Yes n/a Yes Yes -
Data & Network
Data Tethering - n/a Yes - Yes
WAP / Web Browser Yes n/a Yes Yes Yes
Input
Predictive Text Entry - n/a Yes Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes Yes - - -
Touch Screen - - Yes - -
Memory
Memory Card Slot Yes Yes Yes - -
Messaging
Email Client Yes n/a Yes - Yes
EMS / Picture Messaging - n/a Yes Yes Yes
Instant Messaging Yes n/a Yes - -
MMS Yes n/a Yes Yes -
Text Messaging Templates Yes n/a Yes Yes Yes
Music
Headphone Jack (3.5mm) Yes Yes Yes - -
Music Player Yes n/a Yes - -
Productivity
Alarm Yes n/a Yes Yes Yes
Calculator - n/a Yes Yes Yes
Calendar Yes n/a Yes Yes Yes
To-Do List Yes n/a - Yes -
Voice Memo - n/a Yes Yes Yes
Software
BREW - n/a Yes - -
Games Yes n/a Yes Yes Yes
Java (J2ME) Yes n/a - Yes Yes
Voice
Headset Jack (2.5 mm) - n/a - - Yes
Push-To-Talk - Yes * - - -
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  Sharp Sidekick LX 2009 BlackBerry Curve 8300 Motorola Krave ZN4 Samsung SGH-X660 Motorola T720 / T721 (GSM)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sharp Sidekick LX 2009 BlackBerry Curve 8300 Motorola Krave ZN4 Samsung SGH-X660 Motorola T720 / T721 (GSM)

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