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Phone HTC Touch Diamond (CDMA) Samsung Axle R311 LG A380 Palm Treo 755p
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.8" diag.
4 : 3
1.9" diag.
4 : 3
2.4" diag.
4 : 3
?
Display Resolution & Type 480 x 640 pixels
(~286 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~148 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 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 3 megapixel Yes 1 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture CIF (352 x 288) - QVGA (320 x 240) CIF (352 x 288)
Front Camera - - - -
Weight 4.1 oz
(116g)
3.37 oz
(96g)
3.56 oz
(101g)
5.64 oz
(160g)
Dimensions 3.98" x 2" x 0.6"
(101 x 51 x 15.2 mm)
3.54" x 1.77" x 0.77"
(90 x 45 x 19.6 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 Clamshell Clamshell Slab
Platform / OS Windows Mobile Professional (proprietary) (proprietary) Palm OS
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology EVDO rA 1xRTT HSDPA 3.6 EVDO r0
Features 
GPS / Location n/a Yes Yes n/a
Accessibility
Adjustable Text Size n/a - Yes n/a
Hearing Aid Compatible Yes Yes Yes Yes
Multiple Languages n/a Yes Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display - Yes Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - Yes
USB Yes
Mini-USB
- Yes
Micro-USB
Yes
Wi-Fi Yes
802.11 b,g
- - -
Contacts
Picture ID n/a Yes Yes n/a
Ringer ID n/a Yes Yes n/a
Voice Dialing n/a Yes Yes n/a
Customization
Custom Graphics n/a Yes Yes n/a
Custom Ringtones n/a Yes Yes n/a
Real-Music Ringers n/a Yes Yes n/a
Data & Network
Data Tethering n/a Yes - n/a
External Antenna Jack n/a - - n/a
WAP / Web Browser n/a Yes Yes n/a
Input
Predictive Text Entry n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes
Stylus Yes - - -
Text Keyboard, Hardware - - - Yes
Touch Screen Yes - - Yes
Memory
Memory Card Slot Yes * - Yes Yes
Messaging
Email Client n/a - - n/a
Instant Messaging n/a - - n/a
MMS n/a Yes Yes n/a
Text Messaging Templates n/a Yes Yes n/a
Music
Music Player n/a - Yes n/a
Productivity
Alarm n/a Yes Yes n/a
Calculator n/a Yes Yes n/a
Calendar n/a Yes Yes n/a
To-Do List n/a - Yes n/a
Voice Memo n/a Yes Yes n/a
Software
BREW n/a Yes - n/a
Games n/a Yes Yes n/a
Java (J2ME) n/a - Yes n/a
Voice
Headset Jack (2.5 mm) n/a - - n/a
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  HTC Touch Diamond (CDMA) Samsung Axle R311 LG A380 Palm Treo 755p
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone HTC Touch Diamond (CDMA) Samsung Axle R311 LG A380 Palm Treo 755p

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