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Phone Nokia 7900 Prism Pantech Laser Samsung SGH-A157 Samsung M400
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 3.1" diag.
5 : 3
1.8" diag.
4 : 3
2.4" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
AMOLED
480 x 800 pixels
(~301 ppi)
AMOLED
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 830 mAh 1,000 mAh 800 mAh 1,000 mAh
Processor ? ? ? 400 MHz Qualcomm QSC6155
RAM ? ? ? 128 MB
Storage ? raw hardware ? raw hardware 256 MB 256 MB
Main Camera 2 megapixel 3 megapixel - 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture QCIF (176 x 144) VGA (640 x 480) - -
Front Camera - - - -
Weight 3.56 oz
(101g)
4.05 oz
(115g)
2.99 oz
(85g)
3.7 oz
(105g)
Dimensions 4.41" x 1.77" x 0.43"
(112 x 45 x 10.9 mm)
4.44" x 2.27" x 0.39"
(113 x 58 x 9.9 mm)
3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
Form Factor Slab Slide Clamshell Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

WCDMA: 1, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 800, 850, 1900

Data Technology EDGE HSPA 7.2 ? 1xRTT
Features 
GPS / Location - Yes Yes Yes
Accessibility
Adjustable Text Size - - Yes Yes
Hearing Aid Compatible - - Yes Yes
Multiple Languages Yes Yes Yes Yes
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Extra Display - - - Yes
Ringer Profiles Yes Yes Yes -
Connectivity
Bluetooth Yes Yes - Yes
USB Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Contacts
Picture ID Yes Yes Yes Yes
Ringer ID Yes Yes Yes Yes
Voice Dialing 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 - -
WAP / Web Browser Yes Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes Yes
Side Keys - Yes - Yes
Text Keyboard, Hardware - Yes - -
Touch Screen - Yes - -
Memory
Memory Card Slot - Yes - -
Messaging
Email Client Yes Yes - -
Instant Messaging - Yes - -
MMS Yes Yes Yes Yes
Text Messaging Templates Yes Yes Yes Yes
Music
Headphone Jack (3.5mm) - - - Yes
Music Player Yes Yes - -
Productivity
Alarm Yes Yes Yes Yes
Calculator Yes Yes Yes Yes
Calendar Yes Yes Yes Yes
To-Do List Yes - Yes -
Voice Memo Yes Yes Yes Yes
Software
Games Yes Yes - Yes
Java (J2ME) Yes Yes - -
Voice
Speaker Phone Yes Yes Yes Yes
  Nokia 7900 Prism Pantech Laser Samsung SGH-A157 Samsung M400
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nokia 7900 Prism Pantech Laser Samsung SGH-A157 Samsung M400

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