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Phone Apple iPhone 4 (CDMA) Samsung SCH-U740 Alias Sony Ericsson Z600 ZTE Imperial II Palm Pre Plus (GSM)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
? ? 5" diag.
16 : 9
3.1" 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)
540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz ?
Battery ? ? ? 2,300 mAh 1,150 mAh
Processor ? ? ? 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) ?
RAM ? ? ? 1 GB ?
Storage 8 GB * ? raw hardware ? raw hardware 8 GB ? raw hardware
Main Camera 5 megapixel 1 megapixel Yes 5 megapixel 3 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD ? - 720p HD VGA (640 x 480)
Front Camera Yes - - 1 megapixel -
Weight 4.8 oz
(136g)
3.56 oz
(101g)
3.88 oz
(110g)
5.07 oz
(144g)
4.89 oz
(139g)
Dimensions 4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
3.84" x 2.04" x 0.63"
(98 x 52 x 16 mm)
3.54" x 1.89" x 1.1"
(90 x 48 x 27.9 mm)
5.6" x 2.8" x 0.4"
(142 x 71 x 10.2 mm)
3.9" x 2.3" x 0.67"
(99 x 58 x 17 mm)
Form Factor Slab Clamshell Clamshell Slab Slide
Platform / OS iOS (proprietary) (proprietary) Android webOS
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 17

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology EVDO rA EVDO r0 GPRS LTE (Cat 3) HSDPA 1.8
Features 
GPS / Location n/a Yes - n/a n/a
Accessibility
Adjustable Text Size n/a - - n/a n/a
Hearing Aid Compatible Yes Yes - Yes -
Multiple Languages n/a Yes Yes n/a n/a
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Extra Display - Yes Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - - Yes - -
Mobile Hotspot n/a - - n/a n/a
USB Yes Yes Yes Yes
Micro-USB
Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
- - Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
Contacts
Picture ID n/a Yes Yes n/a n/a
Ringer ID n/a Yes Yes n/a n/a
Voice Dialing n/a Yes Yes n/a n/a
Customization
Changeable Body Plates - - Yes - -
Custom Graphics n/a Yes Yes n/a n/a
Custom Ringtones n/a Yes Yes n/a n/a
Real-Music Ringers n/a - - n/a n/a
Data & Network
Data Tethering n/a Yes Yes n/a n/a
WAP / Web Browser n/a Yes Yes n/a n/a
Input
Predictive Text Entry n/a Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - Yes
Touch Screen Yes - - Yes Yes
Memory
Memory Card Slot - Yes - Yes -
Messaging
Email Client n/a Yes Yes n/a n/a
EMS / Picture Messaging n/a - Yes n/a n/a
Instant Messaging n/a Yes - n/a n/a
MMS n/a Yes Yes n/a n/a
Text Messaging Templates n/a Yes Yes n/a n/a
Music
Headphone Jack (3.5mm) Yes - - Yes Yes
Music Player n/a Yes - n/a n/a
Photo & Video
TV Output Yes - - - -
Video Calling n/a - - n/a n/a
Productivity
Alarm n/a Yes Yes n/a n/a
Calculator n/a Yes Yes n/a n/a
Calendar n/a Yes Yes n/a n/a
To-Do List n/a - Yes n/a n/a
Voice Memo n/a Yes Yes n/a n/a
Software
BREW n/a Yes - n/a n/a
Games n/a Yes Yes n/a n/a
Java (J2ME) n/a - Yes n/a n/a
Voice
Speaker Phone Yes Yes - Yes Yes
  Apple iPhone 4 (CDMA) Samsung SCH-U740 Alias Sony Ericsson Z600 ZTE Imperial II Palm Pre Plus (GSM)
  X > < X > < X > < X > < X

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

 
Phone Apple iPhone 4 (CDMA) Samsung SCH-U740 Alias Sony Ericsson Z600 ZTE Imperial II Palm Pre Plus (GSM)

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