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Phone Samsung Droid Charge Samsung Sidekick 4G Motorola Evoke QA4 Motorola RIZR Z3
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4.3" diag.
5 : 3
3.5" diag.
5 : 3
2.8" diag.
5 : 3
?
Display Resolution & Type 480 x 800 pixels
(~217 ppi)
AMOLED
480 x 800 pixels
(~267 ppi)
LCD (TFT/TFD)
240 x 400 pixels
(~167 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? ?
Battery 1,500 mAh ? 1,170 mAh 780 mAh
Processor 1 GHz Samsung Hummingbird 1 GHz Samsung Hummingbird Cortex A8 MSM6800a ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 8 megapixel 3 megapixel 2 megapixel 2 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 720p HD WVGA / 480p ? QCIF (176 x 144)
Front Camera 1 megapixel Yes - -
Weight 5.06 oz
(144g)
5.7 oz
(162g)
4.52 oz
(128g)
3.92 oz
(111g)
Dimensions 5.1" x 2.68" x 0.46"
(130 x 68 x 11.7 mm)
5" x 2.42" x 0.6"
(127 x 61 x 15.2 mm)
4.25" x 1.99" x 0.69"
(108 x 51 x 17.5 mm)
4.15" x 1.79" x 0.65"
(105 x 45 x 16.5 mm)
Form Factor Slab Slide Slide Slide
Platform / OS Android Android (proprietary) (proprietary)
Network Bands

4G LTE: 13

CDMA: 850, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1700, 1900

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 3) HSPA+ 21 EVDO rA EDGE
Features 
GPS / Location n/a n/a Yes -
Accessibility
Hearing Aid Compatible Yes Yes Yes -
Multiple Languages n/a n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Ringer Profiles - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot n/a n/a - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes Yes
Mini-USB
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID n/a n/a Yes Yes
Ringer ID n/a n/a Yes Yes
Voice Dialing n/a n/a Yes Yes
Customization
Custom Graphics n/a n/a Yes Yes
Custom Ringtones n/a n/a Yes Yes
Real-Music Ringers n/a n/a Yes Yes
Data & Network
Data Tethering n/a n/a Yes Yes
WAP / Web Browser n/a n/a Yes Yes
Input
Predictive Text Entry n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - -
Touch Screen Yes Yes Yes -
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client n/a n/a Yes Yes *
EMS / Picture Messaging n/a n/a - Yes
Instant Messaging n/a n/a - Yes
MMS n/a n/a - Yes
Text Messaging Templates n/a n/a - Yes
Music
Headphone Jack (3.5mm) Yes Yes - -
Music Player n/a n/a Yes Yes
Photo & Video
DLNA Yes Yes - -
TV Output Yes - - -
Video Calling n/a n/a - -
Productivity
Alarm n/a n/a Yes Yes
Calculator n/a n/a Yes Yes
Calendar n/a n/a Yes Yes
Voice Memo n/a n/a - Yes
Software
BREW n/a n/a Yes -
Games n/a n/a Yes Yes
Java (J2ME) n/a n/a - Yes
Voice
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Samsung Droid Charge Samsung Sidekick 4G Motorola Evoke QA4 Motorola RIZR Z3
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Droid Charge Samsung Sidekick 4G Motorola Evoke QA4 Motorola RIZR Z3

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