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Phone Samsung SGH-X820 Samsung M400 Siemens SX1 Kyocera 3225 Casio G'zOne Boulder
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.4" diag.
4 : 3
? ? 2" diag.
4 : 3
Display Resolution & Type 220 x 176 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
?
LCD (Grayscale)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 650 mAh 1,000 mAh 1,000 mAh ? 810 mAh
Processor ? 400 MHz Qualcomm QSC6155 ? ? ?
RAM ? 128 MB ? ? ?
Storage ? raw hardware 256 MB ? raw hardware ? raw hardware ? raw hardware
Main Camera 2 megapixel 1 megapixel Yes - 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? - QCIF (176 x 144) - ?
Front Camera - - - - -
Weight 2.33 oz
(66g)
3.7 oz
(105g)
4.09 oz
(116g)
4.23 oz
(120g)
4.9 oz
(139g)
Dimensions 4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
4.29" x 2.2" x 0.75"
(109 x 56 x 19.1 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
3.9" x 2" x 0.9"
(99 x 51 x 22.9 mm)
Form Factor Slab Clamshell Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) S60 (Symbian) (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 800, 850, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

Data Technology EDGE 1xRTT GPRS 1xRTT EVDO rA
Features 
Flashlight - - - - Yes
GPS / Location - Yes n/a Yes Yes
Ruggedized - - - - Yes
Water-Resistant - - - - Yes
Accessibility
Adjustable Text Size - Yes n/a - -
Hearing Aid Compatible - Yes - - Yes
Multiple Languages Yes Yes n/a Yes Yes
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Extra Display - Yes - - Yes
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes Yes - Yes
Infrared (IR) - - Yes - -
USB Yes Yes
Micro-USB
Yes - Yes
Contacts
Picture ID Yes Yes n/a - Yes
Ringer ID Yes Yes n/a - Yes
Voice Dialing - Yes n/a Yes Yes
Customization
Changeable Body Plates - - - - Yes
Custom Graphics Yes Yes n/a Yes Yes
Custom Ringtones Yes Yes n/a Yes Yes
Real-Music Ringers Yes Yes n/a - -
Data & Network
Data Tethering - - n/a Yes Yes
External Antenna Jack Yes - n/a - -
WAP / Web Browser Yes Yes n/a Yes Yes
Input
Predictive Text Entry Yes Yes n/a Yes Yes
Side Keys Yes Yes Yes - Yes
Memory
Memory Card Slot - - Yes - Yes
Messaging
Email Client Yes - n/a - -
EMS / Picture Messaging Yes - n/a Yes Yes
MMS Yes Yes n/a - Yes
Text Messaging Templates Yes Yes n/a - Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - Yes - - -
Music Player - - n/a - Yes
Photo & Video
TV Output Yes - - - -
Productivity
Alarm Yes Yes n/a Yes Yes
Calculator Yes Yes n/a Yes Yes
Calendar Yes Yes n/a Yes Yes
To-Do List Yes - n/a - -
Voice Memo Yes Yes n/a - Yes
Software
BREW - - n/a Yes Yes
Games Yes Yes n/a Yes Yes
Java (J2ME) Yes - n/a - -
Voice
Headset Jack (2.5 mm) - - n/a Yes -
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X820 Samsung M400 Siemens SX1 Kyocera 3225 Casio G'zOne Boulder
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Phone Samsung SGH-X820 Samsung M400 Siemens SX1 Kyocera 3225 Casio G'zOne Boulder

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