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Phone Samsung SGH-D600 Samsung SCH-A990 BlackBerry 7750 Samsung SGH-X820 Samsung SPH-N270 (Matrix Phone)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? ? ?
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
220 x 176 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery ? 1,000 mAh ? 650 mAh 1,000 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 2 megapixel 3 megapixel - 2 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? ? - ? -
Front Camera - - - - -
Weight 3.49 oz
(99g)
4.4 oz
(125g)
5.01 oz
(142g)
2.33 oz
(66g)
4.66 oz
(132g)
Dimensions 3.78" x 1.83" x 0.85"
(96 x 46 x 21.6 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
4.53" x 2.28" x 0.79"
(115 x 58 x 20.1 mm)
Form Factor Slide Clamshell Slab Slab Slide
Platform / OS (proprietary) (proprietary) BlackBerry OS (proprietary) (proprietary)
Network Bands

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology GPRS EVDO r0 1xRTT EDGE -
Features 
Flashlight - Yes - - -
GPS / Location - Yes n/a - Yes
Accessibility
Hearing Aid Compatible - Yes - - -
Multiple Languages Yes Yes n/a Yes Yes
TTY/TDD (Digital) - Yes Yes - -
Alerts
Extra Display - Yes - - -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes - Yes -
USB Yes Yes Yes Yes -
Contacts
Picture ID Yes Yes n/a Yes Yes
Ringer ID Yes Yes n/a Yes Yes
Voice Dialing - Yes n/a - Yes
Customization
Custom Graphics - Yes n/a Yes -
Custom Ringtones Yes Yes n/a Yes -
Real-Music Ringers - Yes n/a Yes -
Data & Network
Data Tethering - Yes n/a - -
External Antenna Jack - - n/a Yes -
WAP / Web Browser Yes Yes n/a Yes -
Input
Predictive Text Entry Yes Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes -
Text Keyboard, Hardware - - Yes - -
Memory
Memory Card Slot Yes Yes - - -
Messaging
Email Client Yes - n/a Yes -
EMS / Picture Messaging Yes Yes n/a Yes -
MMS Yes Yes n/a Yes -
Text Messaging Templates Yes Yes n/a Yes -
Music
Music Player Yes Yes n/a - -
Stereo Speakers Yes Yes - - -
Photo & Video
TV Output Yes Yes - Yes -
Productivity
Alarm Yes Yes n/a Yes Yes
Calculator Yes Yes n/a Yes Yes
Calendar Yes Yes n/a Yes Yes
To-Do List Yes - n/a Yes Yes
Voice Memo Yes Yes n/a Yes Yes
Software
BREW - Yes n/a - -
Games Yes Yes n/a Yes -
Java (J2ME) Yes - n/a Yes -
Voice
Headset Jack (2.5 mm) - - n/a - Yes
Speaker Phone Yes Yes - Yes -
  Samsung SGH-D600 Samsung SCH-A990 BlackBerry 7750 Samsung SGH-X820 Samsung SPH-N270 (Matrix Phone)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-D600 Samsung SCH-A990 BlackBerry 7750 Samsung SGH-X820 Samsung SPH-N270 (Matrix Phone)

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