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Phone Samsung SCH-A990 Nokia N90 Samsung SPH/SCH-N300 Motorola Rival A455
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 240 x 320 pixels
LCD (TFT/TFD)
352 x 416 pixels
LCD (TFT/TFD)
128 x 64 pixels 176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,000 mAh 760 mAh ? 940 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 3 megapixel 2 megapixel - 2 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? CIF (352 x 288) - QVGA (320 x 240)
Front Camera - - - -
Weight 4.4 oz
(125g)
6.1 oz
(173g)
4.1 oz
(116g)
4.48 oz
(127g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.41" x 2.01" x 0.94"
(112 x 51 x 23.9 mm)
4.5" x 1.9" x 0.9"
(114 x 48 x 22.9 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
Form Factor Clamshell Clamshell Flip Slide
Platform / OS (proprietary) S60 (Symbian) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

WCDMA: 1

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

Data Technology EVDO r0 EDGE - EVDO r0
Features 
Flashlight Yes - - -
GPS / Location Yes n/a Yes Yes
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
- - Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a - Yes
TTY/TDD (Digital) Yes - - Yes
Alerts
Extra Display Yes Yes - -
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes Yes - Yes
USB Yes Yes - Yes
Micro-USB
Contacts
Picture ID Yes n/a - Yes
Ringer ID Yes n/a - Yes
Voice Dialing Yes n/a Yes Yes
Customization
Custom Graphics Yes n/a - Yes
Custom Ringtones Yes n/a - Yes
Real-Music Ringers Yes 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 -
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen - - - Yes
Memory
Memory Card Slot Yes Yes - Yes
Messaging
Email Client - n/a - Yes
EMS / Picture Messaging Yes n/a - Yes
Instant Messaging - n/a - Yes
MMS Yes n/a - Yes
Text Messaging Templates Yes n/a - Yes
Music
Headphone Jack (3.5mm) - - - Yes
Music Player Yes n/a - Yes
Stereo Speakers Yes - - -
Photo & Video
TV Output Yes - - -
Video Calling - n/a - -
Productivity
Alarm Yes n/a Yes Yes
Calculator Yes n/a Yes Yes
Calendar Yes n/a Yes Yes
To-Do List - n/a Yes -
Voice Memo Yes n/a - Yes
Software
BREW Yes n/a - Yes
Games Yes n/a Yes Yes
Java (J2ME) - n/a - -
Voice
Headset Jack (2.5 mm) - n/a Yes -
Push-To-Talk - Yes - -
Speaker Phone Yes Yes - Yes
  Samsung SCH-A990 Nokia N90 Samsung SPH/SCH-N300 Motorola Rival A455
  X > < X > < X > < X

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

 
Phone Samsung SCH-A990 Nokia N90 Samsung SPH/SCH-N300 Motorola Rival A455

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