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Phone Cal-Comp EZ Palm Treo 650 (CDMA) Samsung SCH-A310
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size ? ? ?
Display Resolution & Type 128 x 128 pixels
LCD (STN)
320 x 320 pixels
LCD (TFT/TFD)
128 x 128 pixels
LCD (Grayscale)
Display Refresh ? ? ?
Battery 800 mAh ? ?
Processor ? 312 MHz Intel XScale PXA270 ?
RAM ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware
Main Camera - Yes -
Wide Camera - - -
Tele Camera - - -
Video Capture - QVGA (320 x 240) -
Front Camera - - -
Weight 2.47 oz
(70g)
6.3 oz
(179g)
3.2 oz
(91g)
Dimensions 4.04" x 1.71" x 0.63"
(103 x 43 x 16 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
3.43" x 1.89" x 0.87"
(87 x 48 x 22.1 mm)
Form Factor Slab Slab Clamshell
Platform / OS (proprietary) Palm OS (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology 1xRTT 1xRTT 1xRTT
Features 
GPS / Location Yes n/a Yes
Accessibility
Multiple Languages Yes n/a Yes
Alerts
Extra Display - - Yes
Connectivity
Bluetooth - Yes -
Infrared (IR) - Yes -
USB Yes
Mini-USB
- Yes
Contacts
Picture ID - n/a -
Voice Dialing - n/a Yes
Customization
Changeable Body Plates - - Yes
Custom Graphics - n/a -
Custom Ringtones - n/a -
Data & Network
Data Tethering - n/a Yes
WAP / Web Browser - n/a Yes
Input
Predictive Text Entry - n/a Yes
Side Keys - Yes Yes
Text Keyboard, Hardware - Yes -
Touch Screen - Yes -
Memory
Memory Card Slot - Yes -
Messaging
Email Client - n/a -
MMS - n/a -
Text Messaging Templates Yes n/a -
Music
Music Player - n/a -
Productivity
Alarm Yes n/a -
Calculator Yes n/a -
Calendar Yes n/a Yes
To-Do List Yes n/a -
Voice Memo Yes * n/a Yes
Software
Games - n/a Yes
Voice
Headset Jack (2.5 mm) Yes n/a Yes
Speaker Phone - Yes -
  * Some versions only
  Cal-Comp EZ Palm Treo 650 (CDMA) Samsung SCH-A310
  X > < X > < X

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

 
Phone Cal-Comp EZ Palm Treo 650 (CDMA) Samsung SCH-A310

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