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Phone Motorola V878 Samsung Messager R450 Samsung SCH-A990 BlackBerry Pearl 3G 9100 / 9105 Samsung Slash M310
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.1" diag.
4 : 3
? 2.3" diag.
1 : 1
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
360 x 400 pixels
(~238 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery ? 960 mAh 1,000 mAh 1,150 mAh 880 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes 1 megapixel 3 megapixel 3 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? - ? ? -
Front Camera - - - - -
Weight 2.82 oz
(80g)
4.58 oz
(130g)
4.4 oz
(125g)
3.3 oz
(94g)
2.99 oz
(85g)
Dimensions 3.23" x 1.65" x 0.85"
(82 x 42 x 21.6 mm)
4.4" x 2" x 0.7"
(112 x 51 x 17.8 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.25" x 1.96" x 0.52"
(108 x 50 x 13.2 mm)
3.82" x 1.81" x 0.66"
(97 x 46 x 16.8 mm)
Form Factor Clamshell Slab Clamshell Slab Slide
Platform / OS (proprietary) (proprietary) (proprietary) BlackBerry OS (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1700, 1900

CDMA: 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 1900

Data Technology GPRS 1xRTT EVDO r0 HSDPA 3.6 1xRTT
Features 
Flashlight - - Yes - -
GPS / Location - Yes Yes n/a Yes
Accessibility
Adjustable Text Size - - - n/a -
Hearing Aid Compatible - Yes
M3 (mostly compatible)
Yes
M3 (mostly compatible)
Yes
M3 (mostly compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Extra Display Yes - Yes - -
Ringer Profiles Yes - - Yes -
Connectivity
Bluetooth - Yes Yes Yes Yes
USB Yes Yes Yes Yes
Micro-USB
-
Wi-Fi - - - Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes Yes Yes n/a Yes
Ringer ID Yes Yes Yes n/a Yes
Voice Dialing Yes Yes Yes n/a Yes
Customization
Custom Graphics Yes Yes Yes n/a Yes
Custom Ringtones Yes Yes Yes n/a Yes
Real-Music Ringers - - Yes n/a Yes
Data & Network
Data Tethering Yes - Yes n/a -
WAP / Web Browser Yes Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - Yes * -
Memory
Memory Card Slot - Yes Yes Yes -
Messaging
Email Client - - - n/a Yes
EMS / Picture Messaging Yes - Yes n/a -
Instant Messaging - - - n/a Yes
MMS Yes Yes Yes n/a Yes
Text Messaging Templates - Yes Yes n/a Yes
Music
Headphone Jack (3.5mm) - - - Yes -
Music Player - Yes Yes n/a -
Stereo Speakers - - Yes - -
Photo & Video
TV Output - - Yes - -
Productivity
Alarm Yes Yes Yes n/a Yes
Calculator Yes Yes Yes n/a Yes
Calendar Yes Yes Yes n/a Yes
To-Do List - - - n/a -
Voice Memo Yes Yes Yes n/a Yes
Software
BREW - Yes Yes n/a -
Games Yes Yes Yes n/a Yes
Java (J2ME) Yes - - n/a Yes
Voice
Speaker Phone - Yes Yes Yes Yes
  * Some versions only
  Motorola V878 Samsung Messager R450 Samsung SCH-A990 BlackBerry Pearl 3G 9100 / 9105 Samsung Slash M310
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Motorola V878 Samsung Messager R450 Samsung SCH-A990 BlackBerry Pearl 3G 9100 / 9105 Samsung Slash M310

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