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Phone Samsung PM-A840 Samsung SGH-P850 / P858 BlackBerry 7750 Samsung SPH-N270 (Matrix Phone)
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 (STN)
240 x 320 pixels
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery ? 950 mAh ? 1,000 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes 3 megapixel - -
Wide Camera - - - -
Tele Camera - - - -
Video Capture - ? - -
Front Camera - - - -
Weight 3.28 oz
(93g)
4.23 oz
(120g)
5.01 oz
(142g)
4.66 oz
(132g)
Dimensions 3.54" x 1.85" x 0.94"
(90 x 47 x 23.9 mm)
3.77" x 1.86" x 0.96"
(96 x 47 x 24.4 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.53" x 2.28" x 0.79"
(115 x 58 x 20.1 mm)
Form Factor Clamshell Clamshell Slab Slide
Platform / OS (proprietary) (proprietary) BlackBerry OS (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology 1xRTT EDGE 1xRTT -
Features 
GPS / Location Yes - n/a Yes
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
- - -
Multiple Languages Yes Yes n/a Yes
TTY/TDD (Digital) Yes - Yes -
Alerts
Extra Display Yes Yes - -
Ringer Profiles - - Yes -
Connectivity
Bluetooth - Yes - -
USB - Yes Yes -
Contacts
Picture ID Yes Yes n/a Yes
Ringer ID Yes Yes n/a Yes
Voice Dialing Yes - n/a Yes
Customization
Custom Graphics Yes Yes n/a -
Custom Ringtones Yes Yes n/a -
Real-Music Ringers - Yes n/a -
Data & Network
WAP / Web Browser Yes Yes n/a -
Input
Predictive Text Entry Yes Yes n/a Yes
Side Keys Yes Yes Yes -
Text Keyboard, Hardware - - Yes -
Memory
Memory Card Slot - Yes - -
Messaging
Email Client - Yes n/a -
MMS - Yes n/a -
Text Messaging Templates Yes Yes n/a -
Music
Music Player - Yes n/a -
Stereo Speakers - Yes - -
Photo & Video
TV Output - Yes - -
Productivity
Alarm Yes Yes n/a Yes
Calculator Yes Yes n/a Yes
Calendar Yes Yes n/a Yes
To-Do List Yes - n/a Yes
Voice Memo Yes Yes n/a Yes
Software
Games Yes Yes n/a -
Java (J2ME) Yes Yes n/a -
Voice
Headset Jack (2.5 mm) Yes - n/a Yes
Speaker Phone Yes Yes - -
  Samsung PM-A840 Samsung SGH-P850 / P858 BlackBerry 7750 Samsung SPH-N270 (Matrix Phone)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung PM-A840 Samsung SGH-P850 / P858 BlackBerry 7750 Samsung SPH-N270 (Matrix Phone)

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