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Phone Pantech Duo C810 Samsung SCH-A990 Samsung Memoir SGH-T929 Motorola Evoke QA4 Motorola W175
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
? 3.1" diag.
5 : 3
2.8" diag.
5 : 3
?
Display Resolution & Type 240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
240 x 400 pixels
(~150 ppi)
LCD (TFT/TFD)
240 x 400 pixels
(~167 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
Display Refresh ? ? ? ? ?
Battery 1,320 mAh 1,000 mAh ? 1,170 mAh ?
Processor ARM 920t PXA27x ? ? MSM6800a ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel 3 megapixel 8 megapixel 2 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) ? ? ? -
Front Camera - - - - -
Weight 3.88 oz
(110g)
4.4 oz
(125g)
4.4 oz
(125g)
4.52 oz
(128g)
3 oz
(85g)
Dimensions 4.01" x 1.97" x 0.78"
(102 x 50 x 19.8 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.17" x 2.11" x 0.55"
(106 x 54 x 14 mm)
4.25" x 1.99" x 0.69"
(108 x 51 x 17.5 mm)
4.49" x 1.69" x 0.55"
(114 x 43 x 14 mm)
Form Factor Slide Clamshell Slab Slide Slab
Platform / OS Windows Mobile Standard (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1700, 1900

GSM: 850, 1900

Data Technology HSDPA 1.8 EVDO r0 HSDPA 3.6 EVDO rA -
Features 
Flashlight - Yes - - -
GPS / Location n/a Yes Yes Yes -
Accessibility
Hearing Aid Compatible - Yes Yes Yes -
Multiple Languages n/a Yes Yes Yes Yes
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display - Yes - - -
Ringer Profiles Yes - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
USB Yes Yes Yes Yes Yes
Contacts
Picture ID n/a Yes Yes Yes -
Ringer ID n/a Yes - Yes -
Voice Dialing n/a Yes Yes Yes -
Customization
Custom Graphics n/a Yes Yes Yes -
Custom Ringtones n/a Yes Yes Yes -
Real-Music Ringers n/a Yes Yes Yes -
Data & Network
Data Tethering n/a Yes - Yes -
WAP / Web Browser n/a Yes Yes Yes -
Input
Predictive Text Entry n/a Yes Yes Yes Yes
Side Keys Yes Yes Yes Yes -
Text Keyboard, Hardware Yes - - - -
Touch Screen - - Yes Yes -
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client n/a - Yes Yes -
EMS / Picture Messaging n/a Yes - - -
Instant Messaging n/a - Yes - -
MMS n/a Yes Yes - -
Text Messaging Templates n/a Yes Yes - Yes
Music
Music Player n/a Yes Yes Yes -
Stereo Speakers - Yes - - -
Photo & Video
TV Output - Yes Yes - -
Productivity
Alarm n/a Yes Yes Yes Yes
Calculator n/a Yes Yes Yes Yes
Calendar n/a Yes Yes Yes Yes
To-Do List n/a - Yes - -
Voice Memo n/a Yes Yes - -
Software
BREW n/a Yes - Yes -
Games n/a Yes Yes Yes Yes
Voice
Speaker Phone Yes Yes Yes Yes Yes
  Pantech Duo C810 Samsung SCH-A990 Samsung Memoir SGH-T929 Motorola Evoke QA4 Motorola W175
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Pantech Duo C810 Samsung SCH-A990 Samsung Memoir SGH-T929 Motorola Evoke QA4 Motorola W175

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