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Phone Samsung SCH-A990 Palm Pre Plus (GSM) Samsung SPH-N240 Samsung Rugby A837 Apple iPhone 4 (CDMA)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.1" diag.
5 : 3
? 2" diag.
4 : 3
3.5" diag.
5 : 3
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
128 x 64 pixels 176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? 60 Hz
Battery 1,000 mAh 1,150 mAh ? 1,000 mAh ?
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware 8 GB *
Main Camera 3 megapixel 3 megapixel - 1 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? VGA (640 x 480) - QCIF (176 x 144) 720p HD
Front Camera - - - - Yes
Weight 4.4 oz
(125g)
4.89 oz
(139g)
3.2 oz
(91g)
4.66 oz
(132g)
4.8 oz
(136g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
3.9" x 2.3" x 0.67"
(99 x 58 x 17 mm)
4.1" x 1.5" x 0.7"
(104 x 38 x 17.8 mm)
3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
Form Factor Clamshell Slide Slab Clamshell Slab
Platform / OS (proprietary) webOS (proprietary) (proprietary) iOS
Network Bands

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology EVDO r0 HSDPA 1.8 - HSDPA 3.6 EVDO rA
Features 
Flashlight Yes - - - -
GPS / Location Yes n/a Yes Yes n/a
Ruggedized - - - Yes -
Accessibility
Adjustable Text Size - n/a - - n/a
Hearing Aid Compatible Yes - - Yes Yes
Multiple Languages Yes n/a Yes Yes n/a
TTY/TDD (Digital) Yes Yes - Yes -
Alerts
Extra Display Yes - - Yes -
Connectivity
Bluetooth Yes Yes - Yes Yes
Mobile Hotspot - n/a - - n/a
USB Yes Yes
Micro-USB
- Yes Yes
Wi-Fi - Yes
802.11 b,g
- - Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a - Yes n/a
Ringer ID Yes n/a Yes Yes n/a
Voice Dialing Yes n/a Yes - n/a
Customization
Changeable Body Plates - - Yes - -
Custom Graphics Yes n/a - Yes n/a
Custom Ringtones Yes n/a - Yes n/a
Real-Music Ringers Yes n/a - Yes n/a
Data & Network
Data Tethering Yes n/a - Yes n/a
WAP / Web Browser Yes n/a - Yes n/a
Input
Predictive Text Entry Yes n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen - Yes - - Yes
Memory
Memory Card Slot Yes - - Yes -
Messaging
Email Client - n/a - Yes n/a
EMS / Picture Messaging Yes n/a - - n/a
Instant Messaging - n/a - Yes n/a
MMS Yes n/a - Yes n/a
Text Messaging Templates Yes n/a - Yes n/a
Music
Headphone Jack (3.5mm) - Yes - - Yes
Music Player Yes n/a - Yes n/a
Stereo Speakers Yes - - - -
Photo & Video
TV Output Yes - - - Yes
Video Calling - n/a - - n/a
Productivity
Alarm Yes n/a Yes Yes n/a
Calculator Yes n/a Yes Yes n/a
Calendar Yes n/a Yes Yes n/a
To-Do List - n/a Yes - n/a
Voice Memo Yes n/a - Yes n/a
Software
BREW Yes n/a - - n/a
Games Yes n/a Yes Yes n/a
Java (J2ME) - n/a - Yes n/a
Voice
Headset Jack (2.5 mm) - n/a Yes - n/a
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes - Yes Yes
  Samsung SCH-A990 Palm Pre Plus (GSM) Samsung SPH-N240 Samsung Rugby A837 Apple iPhone 4 (CDMA)
  X > < X > < X > < X > < X

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

 
Phone Samsung SCH-A990 Palm Pre Plus (GSM) Samsung SPH-N240 Samsung Rugby A837 Apple iPhone 4 (CDMA)

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