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Phone Ericsson R278d Nokia N90 Samsung Rugby A837 Sharp GX-10 / GX-10i
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Not yet released
Specifications 
Display Size ? ? 2" diag.
4 : 3
?
Display Resolution & Type 101 x 40 pixels 352 x 416 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
120 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery ? 760 mAh 1,000 mAh 720 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - 2 megapixel 1 megapixel Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture - CIF (352 x 288) QCIF (176 x 144) -
Front Camera - - - -
Weight 9.28 oz
(263g)
6.1 oz
(173g)
4.66 oz
(132g)
3.88 oz
(110g)
Dimensions 5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
4.41" x 2.01" x 0.94"
(112 x 51 x 23.9 mm)
3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
3.7" x 1.93" x 1.06"
(94 x 49 x 26.9 mm)
Form Factor Slab Clamshell Clamshell Clamshell
Platform / OS (proprietary) S60 (Symbian) (proprietary) (proprietary)
Network Bands

TDMA: 850, 1900

AMPS: 850

WCDMA: 1

GSM: 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology - EDGE HSDPA 3.6 GPRS
Features 
GPS / Location - n/a Yes -
Ruggedized - - Yes -
Accessibility
Hearing Aid Compatible - - Yes -
Multiple Languages Yes n/a Yes Yes
TTY/TDD (Digital) - - Yes -
Alerts
Extra Display - Yes Yes Yes
Ringer Profiles Yes Yes - Yes
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
-
Infrared (IR) - - - Yes
USB - Yes Yes -
Contacts
Picture ID - n/a Yes -
Ringer ID - n/a Yes Yes
Voice Dialing - n/a - -
Customization
Custom Graphics - n/a Yes Yes
Custom Ringtones Yes n/a Yes Yes
Real-Music Ringers - n/a Yes -
Data & Network
Data Tethering Yes n/a Yes Yes
WAP / Web Browser Yes n/a Yes Yes
Input
Predictive Text Entry Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes
Memory
Memory Card Slot - Yes Yes -
Messaging
Email Client - n/a Yes -
EMS / Picture Messaging - n/a - -
Instant Messaging - n/a Yes -
MMS - n/a Yes Yes
Text Messaging Templates - n/a Yes Yes
Music
Music Player - n/a Yes -
Photo & Video
Video Calling - n/a - -
Productivity
Alarm Yes n/a Yes Yes
Calculator - n/a Yes Yes
Calendar - n/a Yes Yes
To-Do List - n/a - -
Voice Memo - n/a Yes Yes
Software
Games - n/a Yes Yes
Java (J2ME) - n/a Yes -
Voice
Headset Jack (2.5 mm) - n/a - Yes
Push-To-Talk - Yes Yes -
Speaker Phone - Yes Yes -
  Ericsson R278d Nokia N90 Samsung Rugby A837 Sharp GX-10 / GX-10i
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson R278d Nokia N90 Samsung Rugby A837 Sharp GX-10 / GX-10i

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