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Phone Samsung Chrono BlackBerry 7750 BlackBerry 8830 Samsung SPH-i550 Samsung SGH-E400
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Not yet released
Specifications 
Display Size 2" diag.
4 : 3
? ? ? ?
Display Resolution & Type 240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
320 x 240 pixels
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
128 x 144 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery ? ? 1,400 mAh ? 700 mAh
Processor ? ? ? 200 MHz Motorola MX-1 ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes - - 1 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - ? -
Front Camera - - - - -
Weight 3.14 oz
(89g)
5.01 oz
(142g)
4.6 oz
(130g)
? 3.1 oz
(88g)
Dimensions 3.7" x 1.83" x 0.67"
(94 x 46 x 17 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.49" x 2.6" x 0.55"
(114 x 66 x 14 mm)
3.46" x 2.34" x 1.1"
(88 x 59 x 27.9 mm)
3.46" x 1.65" x 0.89"
(88 x 42 x 22.6 mm)
Form Factor Clamshell Slab Slab Clamshell Clamshell
Platform / OS (proprietary) BlackBerry OS BlackBerry OS Palm OS (proprietary)
Network Bands

CDMA: 850, 1700, 1900

*

CDMA: 850, 1900

CDMA: 850, 1900

GSM: 900, 1800

*

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

Data Technology 1xRTT 1xRTT EVDO r0 1xRTT GPRS
Features 
GPS / Location Yes n/a n/a n/a -
Accessibility
Adjustable Text Size - n/a n/a n/a -
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
- Yes
M4, T4 (very tele-coil compatible)
- -
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes -
Alerts
Extra Display Yes - - Yes Yes
Ringer Profiles - Yes Yes - -
Connectivity
Bluetooth Yes - Yes - -
Infrared (IR) - - - Yes Yes
USB Yes
Micro-USB
Yes Yes - -
Contacts
Picture ID Yes n/a n/a n/a -
Ringer ID Yes n/a n/a n/a -
Voice Dialing Yes n/a n/a n/a -
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers - n/a n/a n/a -
Data & Network
Data Tethering - n/a n/a n/a Yes
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes - -
Touch Screen - - - Yes -
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client Yes n/a n/a n/a -
EMS / Picture Messaging - n/a n/a n/a Yes
Instant Messaging - n/a n/a n/a -
MMS Yes n/a n/a n/a -
Text Messaging Templates Yes n/a n/a n/a Yes
Music
Music Player - n/a n/a n/a -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
To-Do List - n/a n/a n/a Yes
Voice Memo Yes n/a n/a n/a -
Software
BREW Yes n/a n/a n/a -
Games Yes n/a n/a n/a Yes
Java (J2ME) - n/a n/a n/a Yes
Voice
Headset Jack (2.5 mm) - n/a n/a n/a Yes
Push-To-Talk - - Yes * - -
Speaker Phone Yes - Yes - -
  * Some versions only
  Samsung Chrono BlackBerry 7750 BlackBerry 8830 Samsung SPH-i550 Samsung SGH-E400
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Chrono BlackBerry 7750 BlackBerry 8830 Samsung SPH-i550 Samsung SGH-E400

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