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Phone Palm Treo 650 (CDMA) Siemens S46 Ericsson T28 World Sony Ericsson Z600 Nokia 2651
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? ? ?
Display Resolution & Type 320 x 320 pixels
LCD (TFT/TFD)
? ? 128 x 160 pixels
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
Display Refresh ? ? ? ? ?
Battery ? 850 mAh 500 mAh ? 760 mAh
Processor 312 MHz Intel XScale PXA270 ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes - - Yes -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) - - - -
Front Camera - - - - -
Weight 6.3 oz
(179g)
4.3 oz
(122g)
3.14 oz
(89g)
3.88 oz
(110g)
3.4 oz
(96g)
Dimensions 4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
4.62" x 1.75" x 0.88"
(117 x 44 x 22.4 mm)
3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
3.54" x 1.89" x 1.1"
(90 x 48 x 27.9 mm)
3.35" x 1.81" x 0.9"
(85 x 46 x 22.9 mm)
Form Factor Slab Slab Flip Clamshell Clamshell
Platform / OS Palm OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 900, 1900

TDMA: 850, 1900

GSM: 900, 1900

GSM: 900, 1800, 1900

GSM: 850, 1900

Data Technology 1xRTT GPRS - GPRS GPRS
Features 
GPS / Location n/a - - - -
Accessibility
Multiple Languages n/a Yes - Yes Yes
Alerts
Extra Display - - - Yes -
Ringer Profiles - Yes Yes - -
Connectivity
Bluetooth Yes
Classic Audio
- - Yes
Classic Audio
-
Infrared (IR) Yes Yes - Yes -
USB - - - Yes -
Contacts
Picture ID n/a - - Yes -
Ringer ID n/a - - Yes -
Voice Dialing n/a Yes Yes Yes -
Customization
Changeable Body Plates - - - Yes -
Custom Graphics n/a Yes - Yes Yes
Custom Ringtones n/a Yes Yes Yes Yes
Data & Network
Data Tethering n/a Yes Yes Yes -
WAP / Web Browser n/a Yes - Yes Yes
Input
Predictive Text Entry n/a Yes - Yes Yes
Side Keys Yes Yes Yes Yes -
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes - - - -
Memory
Memory Card Slot Yes - - - -
Messaging
Email Client n/a - - Yes Yes
EMS / Picture Messaging n/a - - Yes Yes
MMS n/a - - Yes Yes
Text Messaging Templates n/a Yes - Yes -
Music
Music Player n/a - - - -
Productivity
Alarm n/a Yes Yes Yes Yes
Calculator n/a Yes Yes Yes Yes
Calendar n/a Yes - Yes Yes
To-Do List n/a Yes - Yes -
Voice Memo n/a Yes - Yes -
Software
Games n/a Yes Yes Yes Yes
Java (J2ME) n/a - - Yes Yes
Voice
Headset Jack (2.5 mm) n/a - - - -
Speaker Phone Yes - - - -
  Palm Treo 650 (CDMA) Siemens S46 Ericsson T28 World Sony Ericsson Z600 Nokia 2651
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Palm Treo 650 (CDMA) Siemens S46 Ericsson T28 World Sony Ericsson Z600 Nokia 2651

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