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Phone Huawei Tap Samsung Exclaim M550 Samsung Trill R520 HTC Touch Diamond (CDMA)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.8" diag.
4 : 3
2.6" diag.
4 : 3
2.2" diag.
4 : 3
2.8" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
480 x 640 pixels
(~286 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery ? 960 mAh 880 mAh 1,340 mAh
Processor ? ? ? 528 MHz Qualcomm MSM7501A
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 2 megapixel 2 megapixel 1 megapixel 3 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture QVGA (320 x 240) ? ? CIF (352 x 288)
Front Camera - - - -
Weight 3.7 oz
(105g)
4.69 oz
(133g)
3.42 oz
(97g)
4.1 oz
(116g)
Dimensions 4.17" x 2.2" x 0.54"
(106 x 56 x 13.7 mm)
4.45" x 2.24" x 0.67"
(113 x 57 x 17 mm)
3.97" x 1.96" x 0.57"
(101 x 50 x 14.5 mm)
3.98" x 2" x 0.6"
(101 x 51 x 15.2 mm)
Form Factor Slab Slide Slide Slab
Platform / OS (proprietary) (proprietary) (proprietary) Windows Mobile Professional
Network Bands

WCDMA: 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology HSDPA 3.6 EVDO r0 EVDO r0 EVDO rA
Features 
GPS / Location Yes Yes Yes n/a
Accessibility
Adjustable Text Size - - - n/a
Hearing Aid Compatible - Yes Yes Yes
Multiple Languages Yes Yes Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Ringer Profiles Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
USB Yes
Mini-USB
Yes Yes Yes
Mini-USB
Wi-Fi - - - Yes
802.11 b,g
Contacts
Picture ID Yes Yes Yes n/a
Ringer ID Yes Yes Yes n/a
Voice Dialing - Yes Yes n/a
Customization
Custom Graphics Yes Yes Yes n/a
Custom Ringtones Yes Yes Yes n/a
Real-Music Ringers Yes Yes Yes n/a
Data & Network
Data Tethering Yes Yes Yes n/a
WAP / Web Browser Yes Yes Yes n/a
Input
Predictive Text Entry Yes 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 Yes *
Messaging
Email Client Yes Yes - n/a
Instant Messaging Yes Yes - n/a
MMS Yes - Yes n/a
Text Messaging Templates Yes Yes Yes n/a
Music
FM Radio Yes - - -
Headphone Jack (3.5mm) - - Yes -
Music Player Yes Yes Yes n/a
Productivity
Alarm Yes Yes Yes n/a
Calculator Yes Yes Yes n/a
Calendar Yes Yes Yes n/a
To-Do List - - - n/a
Voice Memo - Yes Yes n/a
Software
BREW - - Yes n/a
Games Yes Yes Yes n/a
Java (J2ME) Yes Yes - n/a
Voice
Headset Jack (2.5 mm) - Yes - n/a
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Huawei Tap Samsung Exclaim M550 Samsung Trill R520 HTC Touch Diamond (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Huawei Tap Samsung Exclaim M550 Samsung Trill R520 HTC Touch Diamond (CDMA)

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