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Phone Samsung Messager R450 Samsung SGH-E900 / E906 Apple iPhone 4 (CDMA) LG PM-225
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.1" diag.
4 : 3
? 3.5" diag.
5 : 3
?
Display Resolution & Type 176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
Display Refresh ? ? 60 Hz ?
Battery 960 mAh 800 mAh ? 1,000 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware 8 GB * ? raw hardware
Main Camera 1 megapixel 2 megapixel 5 megapixel Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture - ? 720p HD -
Front Camera - - Yes -
Weight 4.58 oz
(130g)
3.28 oz
(93g)
4.8 oz
(136g)
3.35 oz
(95g)
Dimensions 4.4" x 2" x 0.7"
(112 x 51 x 17.8 mm)
3.66" x 1.77" x 0.65"
(93 x 45 x 16.5 mm)
4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
3.53" x 1.76" x 0.93"
(90 x 45 x 23.6 mm)
Form Factor Slab Slide Slab Clamshell
Platform / OS (proprietary) (proprietary) iOS (proprietary)
Network Bands

CDMA: 850, 1700, 1900

GSM: 900, 1800, 1900

*

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology 1xRTT EDGE EVDO rA 1xRTT
Features 
GPS / Location Yes - n/a Yes
Accessibility
Adjustable Text Size - - n/a -
Hearing Aid Compatible Yes
M3 (mostly compatible)
- Yes
M4, T4 (very tele-coil compatible)
-
Multiple Languages Yes Yes n/a Yes
TTY/TDD (Digital) Yes - - Yes
Alerts
Extra Display - - - Yes
Connectivity
Bluetooth Yes Yes Yes -
Mobile Hotspot - - n/a -
USB Yes Yes Yes Yes
Wi-Fi - - Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes Yes n/a Yes
Ringer ID Yes Yes n/a Yes
Voice Dialing Yes - n/a Yes
Customization
Custom Graphics Yes Yes n/a Yes
Custom Ringtones Yes Yes n/a Yes
Real-Music Ringers - Yes n/a -
Data & Network
WAP / Web Browser Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - -
Touch Screen - - Yes
Capacitive
-
Memory
Memory Card Slot Yes Yes - -
Messaging
Email Client - Yes n/a -
MMS Yes Yes n/a -
Text Messaging Templates Yes Yes n/a -
Music
Headphone Jack (3.5mm) - - Yes -
Music Player Yes Yes n/a -
Photo & Video
TV Output - Yes Yes -
Video Calling - - n/a -
Productivity
Alarm Yes Yes n/a Yes
Calculator Yes Yes n/a Yes
Calendar Yes Yes n/a Yes
Voice Memo Yes Yes n/a Yes
Software
BREW Yes - n/a -
Games Yes Yes n/a Yes
Java (J2ME) - Yes n/a Yes
Voice
Headset Jack (2.5 mm) - - n/a Yes
Speaker Phone Yes Yes Yes Yes
  Samsung Messager R450 Samsung SGH-E900 / E906 Apple iPhone 4 (CDMA) LG PM-225
  X > < X > < X > < X

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

 
Phone Samsung Messager R450 Samsung SGH-E900 / E906 Apple iPhone 4 (CDMA) LG PM-225

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