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Phone Samsung Trill R520 HTC Touch Diamond (CDMA) Samsung Moment LG eXpo GW820
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
2.8" diag.
4 : 3
3.2" diag.
5 : 3
3.2" diag.
5 : 3
Display Resolution & Type 176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
480 x 640 pixels
(~286 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~180 ppi)
AMOLED
480 x 800 pixels
(~292 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ?
Battery 880 mAh 1,340 mAh 1,440 mAh 1,500 mAh
Processor ? 528 MHz Qualcomm MSM7501A ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel 3 megapixel 3 megapixel 5 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? CIF (352 x 288) CIF (352 x 288) ?
Front Camera - - - -
Weight 3.42 oz
(97g)
4.1 oz
(116g)
5.67 oz
(161g)
5.2 oz
(147g)
Dimensions 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)
4.6" x 2.34" x 0.65"
(117 x 59 x 16.5 mm)
4.45" x 2.16" x 0.63"
(113 x 55 x 16 mm)
Form Factor Slide Slab Slab Slab
Platform / OS (proprietary) Windows Mobile Professional Android Windows Mobile Professional
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 EVDO rA EVDO rA HSPA 7.2
Features 
Fingerprint Reader - - - Yes
GPS / Location Yes n/a n/a n/a
Accessibility
Adjustable Text Size - n/a n/a n/a
Hearing Aid Compatible Yes Yes Yes -
Multiple Languages Yes n/a n/a 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 Yes
Mini-USB
Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - Yes
802.11 b,g
Yes
802.11 b,g
Yes
802.11 b,g
Contacts
Picture ID Yes n/a n/a n/a
Ringer ID Yes n/a n/a n/a
Voice Dialing Yes n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a
Real-Music Ringers Yes n/a n/a n/a
Data & Network
Data Tethering Yes n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes
Stylus - Yes - -
Text Keyboard, Hardware - - Yes Yes
Touch Screen - Yes Yes Yes
Memory
Memory Card Slot Yes Yes * Yes Yes
Messaging
Email Client - n/a n/a n/a
Instant Messaging - n/a n/a n/a
MMS Yes n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a
Music
FM Radio - - - Yes
Headphone Jack (3.5mm) Yes - Yes -
Music Player Yes n/a n/a n/a
Photo & Video
TV Output - - - Yes
Productivity
Alarm Yes n/a n/a n/a
Calculator Yes n/a n/a n/a
Calendar Yes n/a n/a n/a
To-Do List - n/a n/a n/a
Voice Memo Yes n/a n/a n/a
Software
BREW Yes n/a n/a n/a
Games Yes n/a n/a n/a
Java (J2ME) - n/a n/a n/a
Voice
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Samsung Trill R520 HTC Touch Diamond (CDMA) Samsung Moment LG eXpo GW820
  X > < X > < X > < X

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

 
Phone Samsung Trill R520 HTC Touch Diamond (CDMA) Samsung Moment LG eXpo GW820

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