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Phone Motorola V878 Samsung SCH-A990 Motorola Rival A455 Motorola W315
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 2.2" diag.
4 : 3
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
Display Refresh ? ? ? ?
Battery ? 1,000 mAh 940 mAh 880 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes 3 megapixel 2 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? ? QVGA (320 x 240) -
Front Camera - - - -
Weight 2.82 oz
(80g)
4.4 oz
(125g)
4.48 oz
(127g)
3.53 oz
(100g)
Dimensions 3.23" x 1.65" x 0.85"
(82 x 42 x 21.6 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
3.48" x 1.97" x 0.89"
(88 x 50 x 22.6 mm)
Form Factor Clamshell Clamshell Slide Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology GPRS EVDO r0 EVDO r0 1xRTT
Features 
Flashlight - Yes - -
GPS / Location - Yes Yes Yes
Accessibility
Hearing Aid Compatible - Yes Yes Yes
Multiple Languages Yes Yes Yes Yes
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Extra Display Yes Yes - Yes
Ringer Profiles Yes - - -
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
-
USB Yes Yes Yes
Micro-USB
Yes
Mini-USB
Contacts
Picture ID Yes Yes Yes Yes
Ringer ID Yes Yes Yes Yes
Voice Dialing Yes Yes Yes Yes
Customization
Custom Graphics Yes Yes Yes Yes
Custom Ringtones Yes Yes Yes Yes
Real-Music Ringers - Yes Yes -
Data & Network
Data Tethering Yes Yes Yes Yes *
WAP / Web Browser Yes Yes Yes Yes *
Input
Predictive Text Entry Yes Yes - Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes -
Touch Screen - - Yes -
Memory
Memory Card Slot - Yes Yes -
Messaging
Email Client - - Yes -
EMS / Picture Messaging Yes Yes Yes Yes
Instant Messaging - - Yes -
MMS Yes Yes Yes Yes *
Text Messaging Templates - Yes Yes Yes
Music
Headphone Jack (3.5mm) - - Yes -
Music Player - Yes Yes -
Stereo Speakers - Yes - -
Photo & Video
TV Output - Yes - -
Productivity
Alarm Yes Yes Yes Yes
Calculator Yes Yes Yes Yes
Calendar Yes Yes Yes Yes
Voice Memo Yes Yes Yes Yes
Software
BREW - Yes Yes Yes *
Games Yes Yes Yes Yes
Java (J2ME) Yes - - -
Voice
Headset Jack (2.5 mm) - - - Yes
Speaker Phone - Yes Yes Yes
  * Some versions only
  Motorola V878 Samsung SCH-A990 Motorola Rival A455 Motorola W315
  X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Motorola V878 Samsung SCH-A990 Motorola Rival A455 Motorola W315

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