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Phone Kyocera K404 Pantech Matrix Pro C820 BlackBerry Storm2 9550 Samsung SGH-A157 Samsung Memoir SGH-T929
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.4" diag.
4 : 3
3.3" diag.
4 : 3
1.8" diag.
4 : 3
3.1" diag.
5 : 3
Display Resolution & Type 104 x 90 pixels
LCD (STN)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
360 x 480 pixels
(~185 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
240 x 400 pixels
(~150 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 900 mAh 1,320 mAh 1,400 mAh 800 mAh ?
Processor ? 528 MHz ARM 11 ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware 256 MB ? raw hardware
Main Camera - 2 megapixel 3 megapixel - 8 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QCIF (176 x 144) ? - ?
Front Camera - - - - -
Weight 3.52 oz
(100g)
5.34 oz
(151g)
5.64 oz
(160g)
2.99 oz
(85g)
4.4 oz
(125g)
Dimensions 4.45" x 1.89" x 0.91"
(113 x 48 x 23.1 mm)
4.2" x 2" x 0.9"
(107 x 51 x 22.9 mm)
4.43" x 2.45" x 0.55"
(113 x 62 x 14 mm)
3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
4.17" x 2.11" x 0.55"
(106 x 54 x 14 mm)
Form Factor Slab Slide Slab Clamshell Slab
Platform / OS (proprietary) Windows Mobile Standard BlackBerry OS (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT HSDPA 3.6 EVDO rA ? HSDPA 3.6
Features 
Flashlight Yes - - - -
GPS / Location Yes n/a n/a Yes Yes
Accessibility
Adjustable Text Size - n/a n/a Yes -
Hearing Aid Compatible - - Yes Yes Yes
Multiple Languages Yes n/a n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Ringer Profiles - Yes Yes Yes Yes
Connectivity
Bluetooth - Yes Yes - Yes
USB - Yes Yes Yes
Micro-USB
Yes
Wi-Fi - - Yes
802.11 b,g
- -
Contacts
Picture ID - n/a n/a Yes Yes
Ringer ID - n/a n/a Yes -
Voice Dialing Yes n/a n/a - Yes
Customization
Changeable Body Plates Yes - - - -
Custom Graphics Yes n/a n/a Yes Yes
Custom Ringtones Yes n/a n/a Yes Yes
Real-Music Ringers - n/a n/a Yes Yes
Data & Network
Data Tethering - n/a n/a - -
WAP / Web Browser - n/a n/a Yes Yes
Input
Predictive Text Entry Yes n/a n/a Yes Yes
Side Keys - Yes Yes - Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen - - Yes - Yes
Memory
Memory Card Slot - Yes Yes - Yes
Messaging
Email Client - n/a n/a - Yes
EMS / Picture Messaging Yes n/a n/a - -
Instant Messaging - n/a n/a - Yes
MMS - n/a n/a Yes Yes
Text Messaging Templates - n/a n/a Yes Yes
Music
Headphone Jack (3.5mm) - - Yes - -
Music Player - n/a n/a - Yes
Photo & Video
TV Output - - - - Yes
Productivity
Alarm Yes n/a n/a Yes Yes
Calculator Yes n/a n/a Yes Yes
Calendar Yes n/a n/a Yes Yes
To-Do List - n/a n/a Yes Yes
Voice Memo - n/a n/a Yes Yes
Software
Games Yes * n/a n/a - Yes
Java (J2ME) - n/a n/a - -
Voice
Headset Jack (2.5 mm) Yes n/a n/a - -
Speaker Phone - Yes Yes Yes Yes
  * Some versions only
  Kyocera K404 Pantech Matrix Pro C820 BlackBerry Storm2 9550 Samsung SGH-A157 Samsung Memoir SGH-T929
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Kyocera K404 Pantech Matrix Pro C820 BlackBerry Storm2 9550 Samsung SGH-A157 Samsung Memoir SGH-T929

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