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Phone Pantech Duo C810 HP Veer Pantech Matrix Pro C820 Siemens CX75
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Not yet released
Specifications 
Display Size 2.2" diag.
4 : 3
2.6" diag.
4 : 3
2.4" diag.
4 : 3
?
Display Resolution & Type 240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
320 x 400 pixels
(~197 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
132 x 176 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,320 mAh 910 mAh 1,320 mAh 750 mAh
Processor ARM 920t PXA27x 800 MHz Qualcomm S2 MSM7230 528 MHz ARM 11 ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel 5 megapixel 2 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture QVGA (320 x 240) VGA (640 x 480) QCIF (176 x 144) ?
Front Camera - - - -
Weight 3.88 oz
(110g)
3.63 oz
(103g)
5.34 oz
(151g)
3.46 oz
(98g)
Dimensions 4.01" x 1.97" x 0.78"
(102 x 50 x 19.8 mm)
3.31" x 2.15" x 0.59"
(84 x 55 x 15 mm)
4.2" x 2" x 0.9"
(107 x 51 x 22.9 mm)
4.33" x 1.88" x 0.74"
(110 x 48 x 18.8 mm)
Form Factor Slide Slide Slide Slab
Platform / OS Windows Mobile Standard (proprietary) Windows Mobile Standard (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology HSDPA 1.8 HSPA 14.4 HSDPA 3.6 GPRS
Features 
GPS / Location n/a Yes n/a -
Accessibility
Multiple Languages n/a Yes n/a Yes
TTY/TDD (Digital) - - Yes -
Alerts
Ringer Profiles Yes - Yes Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - Yes
Mobile Hotspot n/a Yes n/a -
USB Yes Yes Yes Yes
Wi-Fi - Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID n/a Yes n/a Yes
Ringer ID n/a Yes n/a Yes
Voice Dialing n/a Yes n/a -
Customization
Custom Graphics n/a Yes n/a Yes
Custom Ringtones n/a Yes n/a Yes
Real-Music Ringers n/a Yes n/a -
Data & Network
Data Tethering n/a Yes n/a Yes
WAP / Web Browser n/a Yes n/a Yes
Input
Predictive Text Entry n/a - n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes Yes Yes -
Touch Screen - Yes - -
Memory
Memory Card Slot Yes - Yes Yes
Messaging
Email Client n/a Yes n/a Yes
EMS / Picture Messaging n/a - n/a Yes
Instant Messaging n/a Yes n/a -
MMS n/a Yes n/a Yes
Text Messaging Templates n/a - n/a -
Music
Music Player n/a Yes n/a Yes
Productivity
Alarm n/a Yes n/a Yes
Calculator n/a Yes n/a Yes
Calendar n/a Yes n/a Yes
To-Do List n/a Yes n/a Yes
Voice Memo n/a - n/a Yes
Software
Games n/a Yes n/a Yes
Java (J2ME) n/a - n/a Yes
Voice
Push-To-Talk - - - Yes
Speaker Phone Yes Yes Yes Yes
  Pantech Duo C810 HP Veer Pantech Matrix Pro C820 Siemens CX75
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Phone Pantech Duo C810 HP Veer Pantech Matrix Pro C820 Siemens CX75

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