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Phone Pantech Duo C810 Motorola V878 Ericsson R278d LG Optimus M / Optimus C Samsung SCH-A930
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
? ? 3.2" diag.
5 : 3
?
Display Resolution & Type 240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
101 x 40 pixels 320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 1,320 mAh ? ? 1,500 mAh 1,000 mAh
Processor ARM 920t PXA27x ? ? 600 MHz Qualcomm S1 MSM7627 ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel Yes - 3 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) ? - VGA (640 x 480) ?
Front Camera - - - - -
Weight 3.88 oz
(110g)
2.82 oz
(80g)
9.28 oz
(263g)
5.39 oz
(153g)
3.98 oz
(113g)
Dimensions 4.01" x 1.97" x 0.78"
(102 x 50 x 19.8 mm)
3.23" x 1.65" x 0.85"
(82 x 42 x 21.6 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
4.57" x 2.22" x 0.62"
(116 x 56 x 15.7 mm)
3.59" x 1.89" x 0.98"
(91 x 48 x 24.9 mm)
Form Factor Slide Clamshell Slab Slab Clamshell
Platform / OS Windows Mobile Standard (proprietary) (proprietary) Android (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

TDMA: 850, 1900

AMPS: 850

CDMA: 850, 1700, 1900

CDMA: 850, 1900

Data Technology HSDPA 1.8 GPRS - EVDO r0 EVDO r0
Features 
GPS / Location n/a - - n/a Yes
Accessibility
Hearing Aid Compatible - - - Yes Yes
Multiple Languages n/a Yes Yes n/a Yes
TTY/TDD (Digital) - - - Yes Yes
Alerts
Extra Display - Yes - - Yes
Ringer Profiles Yes Yes Yes - -
Connectivity
Bluetooth Yes
Classic Audio
-
-
Yes
Classic Audio
Yes
Classic Audio
USB Yes Yes - Yes
Micro-USB
Yes
Wi-Fi - - - Yes
802.11 b,g
-
Contacts
Picture ID n/a Yes - n/a Yes
Ringer ID n/a Yes - n/a Yes
Voice Dialing n/a Yes - n/a Yes
Customization
Custom Graphics n/a Yes - n/a Yes
Custom Ringtones n/a Yes Yes n/a Yes
Real-Music Ringers n/a - - n/a -
Data & Network
Data Tethering n/a Yes Yes n/a -
WAP / Web Browser n/a Yes Yes n/a Yes
Input
Predictive Text Entry n/a Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen - - - Yes -
Memory
Memory Card Slot Yes - - Yes Yes
Messaging
Email Client n/a - - n/a -
EMS / Picture Messaging n/a Yes - n/a Yes
Instant Messaging n/a - - n/a Yes
MMS n/a Yes - n/a Yes
Text Messaging Templates n/a - - n/a -
Music
Headphone Jack (3.5mm) - - - Yes -
Music Player n/a - - n/a Yes
Stereo Speakers - - - - Yes
Productivity
Alarm n/a Yes Yes n/a Yes
Calculator n/a Yes - n/a Yes
Calendar n/a Yes - n/a Yes
To-Do List n/a - - n/a -
Voice Memo n/a Yes - n/a Yes
Software
BREW n/a - - n/a Yes
Games n/a Yes - n/a Yes
Java (J2ME) n/a Yes - n/a -
Voice
Headset Jack (2.5 mm) n/a - - n/a Yes
Speaker Phone Yes - - Yes Yes
  Pantech Duo C810 Motorola V878 Ericsson R278d LG Optimus M / Optimus C Samsung SCH-A930
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Pantech Duo C810 Motorola V878 Ericsson R278d LG Optimus M / Optimus C Samsung SCH-A930

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