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Phone Samsung Comeback T559 HTC Touch Diamond (CDMA) LG A380 Palm Treo 755p
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.6" diag.
5 : 3
2.8" diag.
4 : 3
2.4" diag.
4 : 3
?
Display Resolution & Type 400 x 240 pixels
(~179 ppi)
LCD (TFT/TFD)
480 x 640 pixels
(~286 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 960 mAh 1,340 mAh 900 mAh 1,600 mAh
Processor ? 528 MHz Qualcomm MSM7501A ? 312 MHz Intel XScale
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware 256 MB ? raw hardware
Main Camera 2 megapixel 3 megapixel 1 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture QVGA (320 x 240) CIF (352 x 288) QVGA (320 x 240) CIF (352 x 288)
Front Camera - - - -
Weight 4.6 oz
(130g)
4.1 oz
(116g)
3.56 oz
(101g)
5.64 oz
(160g)
Dimensions 4.33" x 2.2" x 0.73"
(110 x 56 x 18.5 mm)
3.98" x 2" x 0.6"
(101 x 51 x 15.2 mm)
4.02" x 2.05" x 0.67"
(102 x 52 x 17 mm)
4.4" x 2.3" x 0.84"
(112 x 58 x 21.3 mm)
Form Factor Slab Slab Clamshell Slab
Platform / OS (proprietary) Windows Mobile Professional (proprietary) Palm OS
Network Bands

WCDMA: 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology HSDPA 3.6 EVDO rA HSDPA 3.6 EVDO r0
Features 
GPS / Location - n/a Yes n/a
Accessibility
Adjustable Text Size - n/a Yes n/a
Hearing Aid Compatible - Yes Yes Yes
Multiple Languages Yes n/a Yes n/a
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Extra Display Yes - Yes -
Ringer Profiles Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - Yes
USB Yes Yes
Mini-USB
Yes
Micro-USB
Yes
Wi-Fi - Yes
802.11 b,g
- -
Contacts
Picture ID Yes n/a Yes n/a
Ringer ID Yes n/a Yes n/a
Voice Dialing Yes n/a Yes n/a
Customization
Custom Graphics Yes n/a Yes n/a
Custom Ringtones Yes n/a Yes n/a
Real-Music Ringers Yes n/a Yes n/a
Data & Network
Data Tethering - n/a - n/a
External Antenna Jack - n/a - n/a
WAP / Web Browser Yes n/a Yes n/a
Input
Predictive Text Entry Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes
Stylus - Yes - -
Text Keyboard, Hardware Yes - - Yes
Touch Screen - Yes - Yes
Memory
Memory Card Slot Yes Yes * Yes Yes
Messaging
Email Client Yes n/a - n/a
Instant Messaging Yes n/a - n/a
MMS Yes n/a Yes n/a
Text Messaging Templates Yes n/a Yes n/a
Music
Music Player Yes n/a Yes n/a
Productivity
Alarm Yes n/a Yes n/a
Calculator Yes n/a Yes n/a
Calendar Yes n/a Yes n/a
To-Do List Yes n/a Yes n/a
Voice Memo Yes n/a Yes n/a
Software
Games Yes n/a Yes n/a
Java (J2ME) Yes n/a Yes n/a
Voice
Headset Jack (2.5 mm) - n/a - n/a
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Samsung Comeback T559 HTC Touch Diamond (CDMA) LG A380 Palm Treo 755p
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Comeback T559 HTC Touch Diamond (CDMA) LG A380 Palm Treo 755p

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