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Phone Motorola KRZR K1 Samsung SGH-X640 Motorola Bravo HP iPAQ 610 Business Navigator Samsung Sidekick 4G
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size ? ? 3.7" diag.
16 : 9
2.8" diag.
4 : 3
3.5" diag.
5 : 3
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
480 x 854 pixels
(~265 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~267 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? 60 Hz
Battery 780 mAh 800 mAh 1,540 mAh 1,590 mAh ?
Processor ? ? 800 MHz TI OMAP 3610 520 MHz Marvell PXA270 1 GHz Samsung Hummingbird Cortex A8
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 2 megapixel Yes 3 megapixel 3 megapixel 3 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? - CIF (352 x 288) QCIF (176 x 144) WVGA / 480p
Front Camera - - - - Yes
Weight 3.6 oz
(102g)
3 oz
(85g)
4.59 oz
(130g)
5.1 oz
(145g)
5.7 oz
(162g)
Dimensions 4.05" x 1.65" x 0.63"
(103 x 42 x 16 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.31" x 2.48" x 0.52"
(109 x 63 x 13.3 mm)
4.61" x 2.37" x 0.69"
(117 x 60 x 17.5 mm)
5" x 2.42" x 0.6"
(127 x 61 x 15.2 mm)
Form Factor Clamshell Clamshell Slab Slab Slide
Platform / OS (proprietary) (proprietary) Android Windows Mobile Professional Android
Network Bands

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

Data Technology EDGE GPRS HSPA 7.2 HSPA 7.2 HSPA+ 21
Features 
GPS / Location - - n/a n/a n/a
Accessibility
Hearing Aid Compatible - - - - Yes
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) Yes - Yes - Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes
Classic Audio
-
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot - - n/a n/a n/a
USB Yes - Yes
Micro-USB
Yes
Mini-USB
Yes
Micro-USB
Wi-Fi - - Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes Yes n/a n/a n/a
Ringer ID Yes Yes n/a n/a n/a
Voice Dialing Yes - n/a n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers - - n/a n/a n/a
Data & Network
Data Tethering Yes - n/a n/a n/a
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - - Yes Yes Yes
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client Yes - n/a n/a n/a
EMS / Picture Messaging Yes Yes n/a n/a n/a
Instant Messaging - - n/a n/a n/a
MMS Yes Yes n/a n/a n/a
Text Messaging Templates Yes Yes n/a n/a n/a
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - Yes - Yes
Music Player Yes - n/a n/a n/a
Photo & Video
DLNA - - Yes - Yes
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List - Yes n/a n/a n/a
Voice Memo Yes Yes n/a n/a n/a
Software
Games Yes Yes n/a n/a n/a
Java (J2ME) Yes Yes n/a n/a n/a
Voice
Headset Jack (2.5 mm) - Yes n/a n/a n/a
Push-To-Talk Yes * - - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Motorola KRZR K1 Samsung SGH-X640 Motorola Bravo HP iPAQ 610 Business Navigator Samsung Sidekick 4G
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Motorola KRZR K1 Samsung SGH-X640 Motorola Bravo HP iPAQ 610 Business Navigator Samsung Sidekick 4G

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