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Phone Ericsson T66 Motorola v66 Palm Treo 650 (GSM) Motorola i50sx Motorola W315
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)
?
LCD (Grayscale)
128 x 160 pixels
LCD (STN)
Display Refresh ? ? ? ? ?
Battery ? ? ? 750 mAh 880 mAh
Processor ? ? 312 MHz Intel XScale PXA270 ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - Yes - -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - CIF (352 x 288) - -
Front Camera - - - - -
Weight 2.08 oz
(59g)
2.79 oz
(79g)
6.3 oz
(179g)
5.1 oz
(145g)
3.53 oz
(100g)
Dimensions 3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
3.31" x 1.73" x 0.83"
(84 x 44 x 21.1 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
5.24" x 2.05" x 1.18"
(133 x 52 x 30 mm)
3.48" x 1.97" x 0.89"
(88 x 50 x 22.6 mm)
Form Factor Slab Clamshell Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) Palm OS (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 850, 900, 1800, 1900

iDEN: 800

CDMA: 850, 1900

AMPS: 850

Data Technology - GPRS EDGE - 1xRTT
Features 
GPS / Location - - n/a - Yes
Accessibility
Hearing Aid Compatible - - - - Yes
Multiple Languages Yes - n/a Yes Yes
TTY/TDD (Digital) - - - Yes Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles Yes - - - -
Connectivity
Bluetooth - - Yes
Classic Audio
- -
Infrared (IR) - - Yes - -
USB - Yes Yes - Yes
Mini-USB
Contacts
Picture ID - - n/a - Yes
Ringer ID - - n/a - Yes
Voice Dialing - Yes n/a Yes Yes
Customization
Changeable Body Plates - - - Yes -
Custom Graphics Yes - n/a - Yes
Custom Ringtones Yes - n/a - Yes
Data & Network
Data Tethering - Yes n/a Yes Yes *
WAP / Web Browser Yes Yes n/a Yes Yes *
Input
Predictive Text Entry Yes Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen - - Yes - -
Memory
Memory Card Slot - - Yes - -
Messaging
Email Client - - n/a - -
EMS / Picture Messaging Yes - n/a - Yes
MMS - - n/a - Yes *
Text Messaging Templates Yes - n/a - Yes
Music
Music Player - - n/a - -
Productivity
Alarm Yes Yes n/a Yes Yes
Calculator Yes Yes n/a - Yes
Calendar Yes Yes n/a Yes Yes
To-Do List Yes - n/a - -
Voice Memo - Yes n/a - Yes
Software
BREW - - n/a - Yes *
Games Yes Yes n/a - Yes
Voice
Headset Jack (2.5 mm) - Yes n/a Yes Yes
Push-To-Talk - - - Yes -
Speaker Phone - - Yes - Yes
  * Some versions only
  Ericsson T66 Motorola v66 Palm Treo 650 (GSM) Motorola i50sx Motorola W315
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson T66 Motorola v66 Palm Treo 650 (GSM) Motorola i50sx Motorola W315

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