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Phone Nokia 6155i Samsung SGH-D800 Motorola A840 Motorola i450 / i455
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? ? ?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
130 x 130 pixels
LCD (STN)
Display Refresh ? ? ? ?
Battery 1,070 mAh 800 mAh ? ?
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel 1 megapixel 1 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture sub-QCIF (128 x 96) ? - -
Front Camera - - - -
Weight 4.44 oz
(126g)
3.46 oz
(98g)
4.06 oz
(115g)
4.5 oz
(128g)
Dimensions 3.41" x 1.79" x 1.02"
(87 x 45 x 25.9 mm)
3.82" x 2.05" x 0.59"
(97 x 52 x 15 mm)
3.7" x 1.93" x 0.92"
(94 x 49 x 23.4 mm)
3.5" x 2" x 1.1"
(89 x 51 x 27.9 mm)
Form Factor Clamshell Slide Clamshell Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

CDMA: 850, 1900

GSM: 900, 1800

iDEN: 800

Data Technology 1xRTT EDGE 1xRTT -
Features 
GPS / Location Yes - Yes Yes
Accessibility
Hearing Aid Compatible - - - Yes
Multiple Languages Yes Yes Yes Yes
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Extra Display Yes - Yes Yes
Ringer Profiles Yes - - Yes
Connectivity
Bluetooth - Yes
Classic Audio
- -
Infrared (IR) Yes - - -
USB Yes - Yes Yes
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 Yes Yes *
Data & Network
Data Tethering Yes Yes Yes Yes
External Antenna Jack - Yes - -
WAP / Web Browser Yes Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes Yes
Side Keys Yes Yes Yes Yes
Memory
Memory Card Slot - - Yes -
Messaging
Email Client - Yes Yes -
EMS / Picture Messaging - Yes Yes -
MMS Yes Yes Yes Yes
Text Messaging Templates Yes Yes Yes Yes
Music
FM Radio Yes - - -
Music Player - Yes Yes -
Photo & Video
TV Output - Yes - -
Productivity
Alarm Yes Yes Yes -
Calculator Yes Yes Yes -
Calendar Yes Yes Yes Yes
To-Do List Yes - - -
Voice Memo Yes Yes - Yes
Software
BREW Yes * - Yes -
Games Yes Yes Yes Yes
Java (J2ME) Yes * Yes - Yes
Voice
Headset Jack (2.5 mm) Yes - Yes Yes
Push-To-Talk Yes * - - Yes
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Nokia 6155i Samsung SGH-D800 Motorola A840 Motorola i450 / i455
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nokia 6155i Samsung SGH-D800 Motorola A840 Motorola i450 / i455

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