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Phone Ericsson T28 World HP Pre 3 (CDMA) Samsung SGH-D520
Current U.S. Carriers (none) (none) (none)
Global Availability Released Not yet released Released
Specifications 
Display Size ? 3.6" diag.
5 : 3
?
Display Resolution & Type ? 480 x 800 pixels
(~261 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? ?
Battery 500 mAh 1,230 mAh 800 mAh
Processor ? 1.4 GHz Qualcomm Snapdragon S2 MSM8655 ?
RAM ? ? ?
Storage ? raw hardware 16 GB * ? raw hardware
Main Camera - 5 megapixel 1 megapixel
Wide Camera - - -
Tele Camera - - -
Video Capture - 720p HD CIF (352 x 288)
Front Camera - Yes -
Weight 3.14 oz
(89g)
5.5 oz
(156g)
3.32 oz
(94g)
Dimensions 3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
4.37" x 2.52" x 0.63"
(111 x 64 x 16 mm)
3.98" x 1.81" x 0.63"
(101 x 46 x 16 mm)
Form Factor Flip Slide Slide
Platform / OS (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 900, 1900

WCDMA: 1, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology - EVDO rA GPRS
Features 
GPS / Location - Yes -
Accessibility
Hearing Aid Compatible - Yes -
Multiple Languages - Yes Yes
Alerts
Ringer Profiles Yes - -
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot - Yes -
USB - Yes
Micro-USB
-
Wi-Fi - Yes
4 (802.11 a,b,g,n)
-
Contacts
Picture ID - Yes Yes
Ringer ID - Yes Yes
Voice Dialing Yes Yes -
Customization
Custom Graphics - Yes Yes
Custom Ringtones Yes Yes Yes
Real-Music Ringers - Yes -
Data & Network
Data Tethering Yes Yes Yes
External Antenna Jack - - Yes
WAP / Web Browser - Yes Yes
Input
Predictive Text Entry - - Yes
Side Keys Yes Yes Yes
Text Keyboard, Hardware - Yes -
Touch Screen - Yes -
Messaging
Email Client - Yes Yes
Instant Messaging - Yes -
MMS - Yes Yes
Text Messaging Templates - - Yes
Music
Headphone Jack (3.5mm) - Yes -
Music Player - Yes -
Productivity
Alarm Yes Yes Yes
Calculator Yes Yes Yes
Calendar - Yes Yes
To-Do List - Yes Yes
Voice Memo - - Yes
Software
Games Yes Yes Yes
Java (J2ME) - - Yes
Voice
Speaker Phone - Yes Yes
  Ericsson T28 World HP Pre 3 (CDMA) Samsung SGH-D520
  X > < X > < X

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

 
Phone Ericsson T28 World HP Pre 3 (CDMA) Samsung SGH-D520

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