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Phone Apple iPhone 4 (GSM) Samsung SGH-E640 Samsung SPH-N270 (Matrix Phone) Samsung SCH-A610
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)
176 x 220 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ?
Battery ? 800 mAh 1,000 mAh 1,300 mAh
Processor Apple A4 ? ? ?
RAM ? ? ? ?
Storage 32 GB * ? raw hardware ? raw hardware ? raw hardware
Main Camera 5 megapixel 1 megapixel - Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture 720p HD QCIF (176 x 144) - -
Front Camera Yes - - -
Weight 4.8 oz
(136g)
3.17 oz
(90g)
4.66 oz
(132g)
4.23 oz
(120g)
Dimensions 4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
4.53" x 2.28" x 0.79"
(115 x 58 x 20.1 mm)
3.5" x 1.9" x 0.9"
(89 x 48 x 22.9 mm)
Form Factor Slab Clamshell Slide Clamshell
Platform / OS iOS (proprietary) (proprietary) (proprietary)
Network Bands

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

Data Technology HSPA 7.2 GPRS - 1xRTT
Features 
GPS / Location n/a - Yes Yes
Accessibility
Adjustable Text Size n/a - - -
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
- - -
Multiple Languages n/a Yes Yes Yes
TTY/TDD (Digital) Yes - - -
Alerts
Extra Display - Yes - -
Connectivity
Bluetooth Yes Yes - -
Mobile Hotspot n/a - - -
USB 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
Custom Ringtones n/a Yes - Yes
Real-Music Ringers n/a Yes - -
Data & Network
Data Tethering n/a - - Yes
WAP / Web Browser n/a Yes - Yes
Input
Predictive Text Entry n/a Yes Yes Yes
Side Keys Yes Yes - Yes
Touch Screen Yes
Capacitive
- - -
Messaging
Email Client n/a Yes - -
EMS / Picture Messaging n/a Yes - Yes
MMS n/a Yes - Yes
Text Messaging Templates n/a Yes - Yes
Music
Headphone Jack (3.5mm) Yes - - -
Music Player n/a Yes - -
Photo & Video
TV Output Yes - - -
Productivity
Alarm n/a Yes Yes Yes
Calculator n/a Yes Yes Yes
Calendar n/a Yes Yes Yes
To-Do List n/a Yes Yes Yes
Voice Memo n/a Yes Yes Yes
Software
BREW n/a - - Yes
Games n/a Yes - Yes
Java (J2ME) n/a Yes - -
Voice
Headset Jack (2.5 mm) n/a - Yes Yes
Speaker Phone Yes Yes - -
  * Some versions only
  Apple iPhone 4 (GSM) Samsung SGH-E640 Samsung SPH-N270 (Matrix Phone) Samsung SCH-A610
  X > < X > < X > < X

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

 
Phone Apple iPhone 4 (GSM) Samsung SGH-E640 Samsung SPH-N270 (Matrix Phone) Samsung SCH-A610

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