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Phone Casio Exilim C721 Motorola RIZR Z6tv Motorola i530 Samsung SPH-I300 Samsung SCH-R410
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.3" diag.
4 : 3
2" diag.
4 : 3
? ? ?
Display Resolution & Type 240 x 320 pixels
(~174 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
? 160 x 240 pixels
LCD (Color)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 920 mAh 940 mAh ? ? 800 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 5 megapixel 2 megapixel - - Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) ? - - -
Front Camera - - - - -
Weight 4.48 oz
(127g)
3.7 oz
(105g)
5.5 oz
(156g)
6 oz
(170g)
3.4 oz
(96g)
Dimensions 4.06" x 1.97" x 0.78"
(103 x 50 x 19.9 mm)
4.15" x 1.79" x 0.64"
(105 x 46 x 16.3 mm)
3.7" x 2.13" x 1.26"
(94 x 54 x 32 mm)
4.9" x 2.28" x 0.82"
(124 x 58 x 20.8 mm)
3.9" x 1.9" x 0.57"
(99 x 48 x 14.5 mm)
Form Factor Clamshell Slide Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Palm OS (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

iDEN: 800

CDMA: 1900

AMPS: 850

CDMA: 850, 1900

Data Technology EVDO rA EVDO r0 - - 1xRTT
Features 
Flashlight Yes - - - -
GPS / Location Yes Yes Yes n/a Yes
Ruggedized Yes - Yes - -
Water-Resistant Yes - - - -
Accessibility
Adjustable Text Size Yes - - n/a -
Hearing Aid Compatible Yes Yes - - Yes
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) Yes Yes - - Yes
Alerts
Extra Display Yes - - Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
-
-
Yes
Classic Audio
Infrared (IR) - - - Yes -
USB Yes Yes Yes - -
Contacts
Picture ID Yes Yes - n/a Yes
Ringer ID Yes Yes Yes n/a Yes
Voice Dialing Yes Yes Yes n/a Yes
Customization
Custom Graphics Yes Yes - n/a Yes
Custom Ringtones Yes Yes Yes n/a Yes
Real-Music Ringers Yes - - n/a -
Data & Network
Data Tethering Yes Yes Yes n/a -
WAP / Web Browser Yes Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - - - Yes -
Memory
Memory Card Slot Yes Yes - - -
Messaging
EMS / Picture Messaging Yes Yes - n/a -
Instant Messaging Yes Yes - n/a -
MMS Yes Yes - n/a Yes
Text Messaging Templates Yes Yes - n/a Yes
Music
Music Player Yes Yes - n/a -
Productivity
Alarm Yes Yes - n/a Yes
Calculator Yes Yes - n/a Yes
Calendar Yes Yes - n/a Yes
To-Do List Yes - - n/a -
Voice Memo Yes Yes Yes n/a Yes
Software
BREW Yes Yes - n/a Yes
Games Yes Yes - n/a Yes
Voice
Headset Jack (2.5 mm) - Yes Yes n/a -
Push-To-Talk - - Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  Casio Exilim C721 Motorola RIZR Z6tv Motorola i530 Samsung SPH-I300 Samsung SCH-R410
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Casio Exilim C721 Motorola RIZR Z6tv Motorola i530 Samsung SPH-I300 Samsung SCH-R410

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