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Phone Kyocera Event Motorola Defy (2010) Siemens CF75 Motorola Rival A455
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Not yet released Released
Specifications 
Display Size 3.5" diag.
5 : 3
3.6" diag.
16 : 9
? 2.2" diag.
4 : 3
Display Resolution & Type 320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~272 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? ?
Battery 1,500 mAh 1,540 mAh 600 mAh 940 mAh
Processor 1 GHz Qualcomm Snapdragon S2 MSM8655 800 MHz TI OMAP3610 ? ?
RAM 512 MB ? ? ?
Storage 4 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera 3 megapixel 5 megapixel Yes 2 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture WVGA / 480p ? - QVGA (320 x 240)
Front Camera - - - -
Weight 4.1 oz
(116g)
4.16 oz
(118g)
3.17 oz
(90g)
4.48 oz
(127g)
Dimensions 4.53" x 2.41" x 0.46"
(115 x 61 x 11.7 mm)
4.21" x 2.32" x 0.53"
(107 x 59 x 13.4 mm)
3.43" x 1.73" x 1.26"
(87 x 44 x 32 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
Form Factor Slab Slab Clamshell Slide
Platform / OS Android Android (proprietary) (proprietary)
Network Bands

CDMA: 1900

WCDMA: 1, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

Data Technology EVDO rA HSPA 7.2 EDGE EVDO r0
Features 
GPS / Location n/a n/a - Yes
Ruggedized - Yes - -
Accessibility
Adjustable Text Size n/a n/a - -
Hearing Aid Compatible Yes - - Yes
Multiple Languages n/a n/a Yes Yes
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Extra Display - - Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
- Yes
Classic Audio
Infrared (IR) - - Yes -
USB Yes
Micro-USB
Yes
Micro-USB
Yes Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID n/a n/a - Yes
Ringer ID n/a n/a - Yes
Voice Dialing n/a n/a - Yes
Customization
Custom Graphics n/a n/a Yes Yes
Custom Ringtones n/a n/a Yes Yes
Real-Music Ringers n/a n/a - Yes
Data & Network
Data Tethering n/a n/a Yes Yes
WAP / Web Browser n/a n/a Yes Yes
Input
Predictive Text Entry n/a n/a Yes -
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen Yes Yes - Yes
Memory
Memory Card Slot Yes Yes - Yes
Messaging
Email Client n/a n/a Yes Yes
EMS / Picture Messaging n/a n/a Yes Yes
Instant Messaging n/a n/a - Yes
MMS n/a n/a Yes Yes
Text Messaging Templates n/a n/a Yes Yes
Music
FM Radio - Yes - -
Headphone Jack (3.5mm) Yes Yes - Yes
Music Player n/a n/a - Yes
Photo & Video
DLNA - Yes - -
Productivity
Alarm n/a n/a Yes Yes
Calculator n/a n/a Yes Yes
Calendar n/a n/a Yes Yes
To-Do List n/a n/a Yes -
Voice Memo n/a n/a Yes Yes
Software
BREW n/a n/a - Yes
Games n/a n/a Yes Yes
Java (J2ME) n/a n/a Yes -
Voice
Push-To-Talk - - Yes -
Speaker Phone Yes Yes Yes Yes
  Kyocera Event Motorola Defy (2010) Siemens CF75 Motorola Rival A455
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Phone Kyocera Event Motorola Defy (2010) Siemens CF75 Motorola Rival A455

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