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Phone Palm Treo 600 (CDMA) Siemens SL55 BlackBerry 7280 Kyocera 3225 Sony Ericsson J300a
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? ? ?
Display Resolution & Type 160 x 160 pixels
LCD (Color)
101 x 80 pixels
LCD (STN)
240 x 160 pixels
LCD (Color)
?
LCD (Grayscale)
128 x 128 pixels
LCD (STN)
Display Refresh ? ? ? ? ?
Battery ? 500 mAh ? ? ?
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes - - - -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - - -
Front Camera - - - - -
Weight 6.2 oz
(176g)
2.79 oz
(79g)
4.9 oz
(139g)
4.23 oz
(120g)
2.75 oz
(78g)
Dimensions 4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
3.21" x 1.75" x 0.86"
(82 x 44 x 21.8 mm)
4.4" x 2.9" x 0.94"
(112 x 74 x 23.9 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
3.9" x 1.68" x 0.72"
(99 x 43 x 18.3 mm)
Form Factor Slab Slide Slab Slab Slab
Platform / OS Palm OS (proprietary) BlackBerry OS (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

GSM: 850, 1800, 1900

CDMA: 850, 1900

AMPS: 850

GSM: 850, 1900

Data Technology 1xRTT GPRS GPRS 1xRTT GPRS
Features 
GPS / Location n/a - n/a Yes -
Accessibility
Multiple Languages n/a Yes n/a Yes -
TTY/TDD (Digital) Yes - - Yes Yes
Alerts
Ringer Profiles - Yes - - Yes
Connectivity
Infrared (IR) Yes Yes - - -
USB Yes - Yes - Yes
Contacts
Picture ID n/a Yes n/a - Yes
Ringer ID n/a Yes n/a - -
Voice Dialing n/a Yes n/a Yes Yes
Customization
Changeable Body Plates - - - - Yes
Custom Graphics n/a Yes n/a Yes Yes
Custom Ringtones n/a Yes n/a Yes Yes
Data & Network
Data Tethering n/a Yes n/a Yes Yes
WAP / Web Browser n/a Yes n/a Yes Yes
Input
Predictive Text Entry n/a Yes n/a Yes Yes
Side Keys Yes Yes Yes - -
Text Keyboard, Hardware Yes - Yes - -
Touch Screen Yes - - - -
Memory
Memory Card Slot Yes - - - -
Messaging
Email Client n/a Yes n/a - Yes
EMS / Picture Messaging n/a Yes n/a Yes Yes
MMS n/a Yes n/a - Yes
Text Messaging Templates n/a Yes n/a - -
Productivity
Alarm n/a Yes n/a Yes Yes
Calculator n/a Yes n/a Yes Yes
Calendar n/a Yes n/a Yes Yes
To-Do List n/a Yes n/a - Yes
Voice Memo n/a Yes n/a - Yes
Software
BREW n/a - n/a Yes -
Games n/a Yes n/a Yes Yes
Java (J2ME) n/a Yes n/a - Yes
Voice
Headset Jack (2.5 mm) n/a - n/a Yes -
Speaker Phone Yes Yes - Yes Yes
  Palm Treo 600 (CDMA) Siemens SL55 BlackBerry 7280 Kyocera 3225 Sony Ericsson J300a
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Palm Treo 600 (CDMA) Siemens SL55 BlackBerry 7280 Kyocera 3225 Sony Ericsson J300a

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