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Phone Apple iPhone 4 (GSM) LG PM-225 Motorola i450 / i455 Samsung SGH-X640
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
? ? ?
Display Resolution & Type 640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
130 x 130 pixels
LCD (STN)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ?
Battery ? 1,000 mAh ? 800 mAh
Processor Apple A4 ? ? ?
RAM ? ? ? ?
Storage 32 GB * ? raw hardware ? raw hardware ? raw hardware
Main Camera 5 megapixel Yes - Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture 720p HD - - -
Front Camera Yes - - -
Weight 4.8 oz
(136g)
3.35 oz
(95g)
4.5 oz
(128g)
3 oz
(85g)
Dimensions 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)
3.5" x 2" x 1.1"
(89 x 51 x 27.9 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
Form Factor Slab Clamshell Clamshell Clamshell
Platform / OS iOS (proprietary) (proprietary) (proprietary)
Network Bands

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

iDEN: 800

GSM: 900, 1800, 1900

Data Technology HSPA 7.2 1xRTT - GPRS
Features 
GPS / Location n/a Yes Yes -
Accessibility
Adjustable Text Size n/a - - -
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M3 (mostly compatible)
-
Multiple Languages n/a Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display - Yes Yes -
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes - - -
Mobile Hotspot n/a - - -
USB Yes Yes Yes -
Wi-Fi Yes
4 (802.11 b,g,n)
- - -
Contacts
Picture ID n/a Yes Yes Yes
Ringer ID n/a Yes Yes Yes
Voice Dialing n/a Yes Yes -
Customization
Custom Graphics n/a Yes Yes Yes
Custom Ringtones n/a Yes Yes Yes
Real-Music Ringers n/a - Yes * -
Data & Network
Data Tethering n/a - Yes -
WAP / Web Browser n/a Yes Yes Yes
Input
Predictive Text Entry n/a Yes Yes Yes
Side Keys Yes Yes Yes Yes
Touch Screen Yes
Capacitive
- - -
Messaging
Email Client n/a - - -
EMS / Picture Messaging n/a - - Yes
MMS n/a - Yes Yes
Text Messaging Templates n/a - Yes Yes
Music
Headphone Jack (3.5mm) Yes - - -
Music Player n/a - - -
Photo & Video
TV Output Yes - - -
Productivity
Alarm n/a Yes - Yes
Calculator n/a Yes - Yes
Calendar n/a Yes Yes Yes
To-Do List n/a - - Yes
Voice Memo n/a Yes Yes Yes
Software
Games n/a Yes Yes Yes
Java (J2ME) n/a Yes Yes Yes
Voice
Headset Jack (2.5 mm) n/a Yes Yes Yes
Push-To-Talk - - Yes -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Apple iPhone 4 (GSM) LG PM-225 Motorola i450 / i455 Samsung SGH-X640
  X > < X > < X > < X

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

 
Phone Apple iPhone 4 (GSM) LG PM-225 Motorola i450 / i455 Samsung SGH-X640

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