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Phone Ericsson T28 World Ericsson T66 Samsung SGH-T809 / SGH-D820 Siemens CX75 Audiovox PPC 4100 / SP230
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size ? ? ? ? ?
Display Resolution & Type ? ? 240 x 320 pixels
LCD (TFT/TFD)
132 x 176 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 500 mAh ? ? 750 mAh 1,480 mAh
Processor ? ? ? ? 400 MHz Intel XScale
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - 1 megapixel 1 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - CIF (352 x 288) ? -
Front Camera - - - - -
Weight 3.14 oz
(89g)
2.08 oz
(59g)
3.35 oz
(95g)
3.46 oz
(98g)
5.57 oz
(158g)
Dimensions 3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
3.9" x 2" x 0.58"
(99 x 51 x 14.7 mm)
4.33" x 1.88" x 0.74"
(110 x 48 x 18.8 mm)
4.29" x 2.7" x 0.85"
(109 x 69 x 21.6 mm)
Form Factor Flip Slab Slide Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) Windows Mobile Professional
Network Bands

GSM: 900, 1900

GSM: 900, 1800, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 850, 1800, 1900

*

Data Technology - - EDGE GPRS GPRS
Features 
Accessibility
Hearing Aid Compatible - - Yes - -
Multiple Languages - Yes Yes Yes n/a
TTY/TDD (Digital) - - Yes - -
Alerts
Ringer Profiles Yes Yes - Yes -
Connectivity
Bluetooth - - Yes Yes -
Infrared (IR) - - - Yes Yes
USB - - Yes Yes Yes
Contacts
Picture ID - - Yes Yes n/a
Ringer ID - - Yes Yes n/a
Voice Dialing Yes - - - n/a
Customization
Custom Graphics - Yes Yes Yes n/a
Custom Ringtones Yes Yes Yes Yes n/a
Real-Music Ringers - - Yes - n/a
Data & Network
Data Tethering Yes - Yes Yes n/a
WAP / Web Browser - Yes Yes Yes n/a
Input
Predictive Text Entry - Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - - - Yes
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client - - - Yes n/a
EMS / Picture Messaging - Yes Yes Yes n/a
Instant Messaging - - Yes - n/a
MMS - - Yes Yes n/a
Text Messaging Templates - Yes Yes - n/a
Music
Music Player - - Yes Yes n/a
Stereo Speakers - - Yes - -
Productivity
Alarm Yes Yes Yes Yes n/a
Calculator Yes Yes Yes Yes n/a
Calendar - Yes Yes Yes n/a
To-Do List - Yes Yes Yes n/a
Voice Memo - - Yes Yes n/a
Software
Games Yes Yes Yes Yes n/a
Java (J2ME) - - Yes Yes n/a
Voice
Headset Jack (2.5 mm) - - - - n/a
Push-To-Talk - - - Yes -
Speaker Phone - - Yes Yes Yes
  Ericsson T28 World Ericsson T66 Samsung SGH-T809 / SGH-D820 Siemens CX75 Audiovox PPC 4100 / SP230
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson T28 World Ericsson T66 Samsung SGH-T809 / SGH-D820 Siemens CX75 Audiovox PPC 4100 / SP230

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