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Phone BlackBerry Curve 3G 9330 Pantech Duo C810 Samsung Rugby A837 Samsung Glyde U940
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.5" diag.
4 : 3
2.2" diag.
4 : 3
2" diag.
4 : 3
2.8" diag.
16.5 : 9
Display Resolution & Type 320 x 240 pixels
(~160 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,150 mAh 1,320 mAh 1,000 mAh 1,000 mAh
Processor ? ARM 920t PXA27x ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 2 megapixel 1 megapixel 1 megapixel 2 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? QVGA (320 x 240) QCIF (176 x 144) QVGA (320 x 240)
Front Camera - - - -
Weight 3.7 oz
(105g)
3.88 oz
(110g)
4.66 oz
(132g)
4.2 oz
(119g)
Dimensions 4.29" x 2.36" x 0.55"
(109 x 60 x 14 mm)
4.01" x 1.97" x 0.78"
(102 x 50 x 19.8 mm)
3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
Form Factor Slab Slide Clamshell Slide
Platform / OS BlackBerry OS Windows Mobile Standard (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology EVDO r0 HSDPA 1.8 HSDPA 3.6 EVDO r0
Features 
GPS / Location n/a n/a Yes Yes
Ruggedized - - Yes -
Accessibility
Adjustable Text Size n/a n/a - -
Hearing Aid Compatible Yes - Yes Yes
Multiple Languages n/a n/a Yes Yes
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Extra Display - - Yes -
Ringer Profiles Yes Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes
USB Yes
Micro-USB
Yes Yes Yes
Wi-Fi Yes
802.11 b,g
- - -
Contacts
Picture ID n/a n/a Yes Yes
Ringer ID n/a n/a Yes 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 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 Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes Yes - Yes
Touch Screen - - - Yes
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client n/a n/a 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
Headphone Jack (3.5mm) Yes - - -
Music Player n/a n/a Yes 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 - -
Voice Memo n/a n/a Yes -
Software
BREW n/a n/a - Yes
Games n/a n/a Yes Yes
Java (J2ME) n/a n/a Yes -
Voice
Headset Jack (2.5 mm) n/a n/a - Yes
Push-To-Talk - - Yes -
Speaker Phone Yes Yes Yes Yes
  BlackBerry Curve 3G 9330 Pantech Duo C810 Samsung Rugby A837 Samsung Glyde U940
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BlackBerry Curve 3G 9330 Pantech Duo C810 Samsung Rugby A837 Samsung Glyde U940

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