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Phone Motorola KRZR K1 Huawei W1 Apple iPhone 4 (CDMA) Motorola Rival A455 Siemens A56 / A56i
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 4" diag.
5 : 3
3.5" diag.
5 : 3
2.2" diag.
4 : 3
?
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
101 x 64 pixels
Display Refresh ? ? 60 Hz ? ?
Battery 780 mAh 1,950 mAh ? 940 mAh 700 mAh
Processor ? 1.2 GHz Qualcomm Snapdragon 400 MSM8230 ? ? ?
RAM ? 512 MB ? ? ?
Storage ? raw hardware 4 GB 8 GB * ? raw hardware ? raw hardware
Main Camera 2 megapixel 5 megapixel 5 megapixel 2 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? 720p HD 720p HD QVGA (320 x 240) -
Front Camera - Yes Yes - -
Weight 3.6 oz
(102g)
4.41 oz
(125g)
4.8 oz
(136g)
4.48 oz
(127g)
3 oz
(85g)
Dimensions 4.05" x 1.65" x 0.63"
(103 x 42 x 16 mm)
4.84" x 2.5" x 0.41"
(123 x 64 x 10.4 mm)
4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
4" x 1.7" x 0.8"
(102 x 43 x 20.3 mm)
Form Factor Clamshell Slab Slab Slide Slab
Platform / OS (proprietary) Windows iOS (proprietary) (proprietary)
Network Bands

GSM: 850, 900, 1800, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

GSM: 850, 1900

Data Technology EDGE HSPA+ 21 EVDO rA EVDO r0 -
Features 
GPS / Location - n/a n/a Yes Yes
Accessibility
Adjustable Text Size - n/a n/a - -
Hearing Aid Compatible - Yes Yes Yes -
Multiple Languages Yes n/a n/a Yes -
TTY/TDD (Digital) Yes - - Yes Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles Yes - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes -
Mobile Hotspot - n/a n/a - -
USB Yes Yes
Micro-USB
Yes Yes
Micro-USB
-
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID Yes n/a n/a Yes Yes
Ringer ID Yes n/a n/a Yes Yes
Voice Dialing Yes n/a n/a Yes -
Customization
Changeable Body Plates - - - - Yes
Custom Graphics Yes n/a n/a Yes Yes
Custom Ringtones Yes n/a n/a Yes Yes
Real-Music Ringers - n/a n/a Yes -
Data & Network
Data Tethering Yes n/a n/a Yes -
WAP / Web Browser Yes n/a n/a Yes Yes
Input
Predictive Text Entry Yes n/a n/a - Yes
Side Keys Yes Yes Yes Yes -
Text Keyboard, Hardware - - - Yes -
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot Yes Yes - Yes -
Messaging
Email Client Yes n/a n/a Yes -
EMS / Picture Messaging Yes n/a n/a Yes Yes
Instant Messaging - n/a n/a Yes -
MMS Yes n/a n/a Yes -
Text Messaging Templates Yes n/a n/a Yes -
Music
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player Yes n/a n/a Yes -
Photo & Video
TV Output - - Yes - -
Video Calling - n/a n/a - -
Productivity
Alarm Yes n/a n/a Yes Yes
Calculator Yes n/a n/a Yes Yes
Calendar Yes n/a n/a Yes -
To-Do List - n/a n/a - -
Voice Memo Yes n/a n/a Yes -
Software
BREW - n/a n/a Yes -
Games Yes n/a n/a Yes Yes
Java (J2ME) Yes n/a n/a - -
Voice
Push-To-Talk Yes * - - - -
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  Motorola KRZR K1 Huawei W1 Apple iPhone 4 (CDMA) Motorola Rival A455 Siemens A56 / A56i
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Motorola KRZR K1 Huawei W1 Apple iPhone 4 (CDMA) Motorola Rival A455 Siemens A56 / A56i

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