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Phone Motorola Sidekick Slide Samsung DoubleTime Nokia Lumia 521 / 520 Sony Ericsson K850 Samsung Array / Montage
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.2" diag.
5 : 3
4" diag.
5 : 3
2.2" diag.
4 : 3
2.4" diag.
4 : 3
Display Resolution & Type 320 x 240 pixels
LCD (TFT/TFD)
320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? ?
Battery ? 1,200 mAh 1,430 mAh ? 1,000 mAh
Processor 225 MHz TI OMAP 850 600 MHz Qualcomm 1 GHz Qualcomm Snapdragon S4 MSM8270 ? 480 MHz Qualcomm QSC6155
RAM ? ? 512 MB ? 128 MB
Storage ? raw hardware ? raw hardware 8 GB ? raw hardware 256 MB
Main Camera 1 megapixel 3 megapixel 5 megapixel 5 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QVGA (320 x 240) 720p HD ? QCIF (176 x 144)
Front Camera - - - - -
Weight 5.3 oz
(150g)
5.22 oz
(148g)
4.39 oz
(124g)
4.2 oz
(119g)
4.14 oz
(117g)
Dimensions 4.65" x 2.44" x 0.69"
(118 x 62 x 17.5 mm)
4.45" x 2.44" x 0.59"
(113 x 62 x 15 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
4.41" x 2.12" x 0.59"
(112 x 54 x 15 mm)
Form Factor Slide Clamshell Slab Slab Slide
Platform / OS (proprietary) Android Windows (proprietary) (proprietary)
Network Bands

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 800, 850, 1900

Data Technology EDGE HSPA 7.2 HSPA+ 21 HSDPA 3.6 1xRTT
Features 
GPS / Location - n/a n/a - Yes
Accessibility
Adjustable Text Size Yes n/a n/a - -
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 - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot - n/a n/a - -
USB Yes Yes
Micro-USB
Yes Yes Yes
Micro-USB
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes - -
Contacts
Picture ID Yes n/a n/a Yes Yes
Ringer ID Yes n/a n/a Yes Yes
Voice Dialing - n/a n/a Yes Yes
Customization
Custom Graphics Yes n/a n/a Yes Yes
Custom Ringtones Yes n/a n/a Yes Yes
Real-Music Ringers Yes n/a n/a Yes Yes
Data & Network
Data Tethering - n/a n/a Yes -
WAP / Web Browser Yes n/a n/a Yes Yes
Input
Predictive Text Entry - n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes Yes - - Yes
Touch Screen - Yes Yes - -
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client Yes n/a n/a Yes Yes
Instant Messaging Yes n/a n/a - -
MMS Yes n/a n/a Yes Yes
Text Messaging Templates - n/a n/a Yes Yes
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - Yes Yes - Yes
Music Player Yes n/a n/a Yes Yes
Photo & Video
Video Calling - n/a n/a Yes * -
Productivity
Alarm Yes n/a n/a Yes Yes
Calculator - n/a n/a Yes Yes
Calendar Yes n/a n/a Yes Yes
To-Do List Yes n/a n/a Yes -
Voice Memo - n/a n/a Yes Yes
Software
Games Yes n/a n/a Yes Yes
Java (J2ME) Yes n/a n/a Yes Yes
Voice
Headset Jack (2.5 mm) Yes n/a n/a - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Motorola Sidekick Slide Samsung DoubleTime Nokia Lumia 521 / 520 Sony Ericsson K850 Samsung Array / Montage
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Motorola Sidekick Slide Samsung DoubleTime Nokia Lumia 521 / 520 Sony Ericsson K850 Samsung Array / Montage

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