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Phone Amazon Fire Samsung Transform Ultra Nokia Lumia 521 / 520 Motorola Droid Ultra HTC SPV C550 (Hurricane)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.7" diag.
16 : 9
3.5" diag.
5 : 3
4" diag.
5 : 3
5" diag.
16 : 9
?
Display Resolution & Type 720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~294 ppi)
AMOLED
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz ?
Battery 2,400 mAh 1,500 mAh 1,430 mAh 2,130 mAh ?
Processor 2.2 GHz Qualcomm Snapdragon 800 1 GHz Qualcomm Snapdragon S2 MSM8655 1 GHz Qualcomm Snapdragon S4 MSM8270 1.7 GHz Qualcomm Snapdragon S4 Pro MSM8960T ?
RAM 2 GB ? 512 MB 2 GB ?
Storage 32 GB * ? raw hardware 8 GB 16 GB ? raw hardware
Main Camera 13 megapixel 3 megapixel 5 megapixel 10 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD VGA (640 x 480) 720p HD 1080p HD ?
Front Camera 2 megapixel Yes - 2 megapixel -
Weight 5.64 oz
(160g)
4.9 oz
(139g)
4.39 oz
(124g)
4.83 oz
(137g)
3.77 oz
(107g)
Dimensions 5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
4.5" x 2.4" x 0.55"
(114 x 61 x 14 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
5.41" x 2.8" x 0.28"
(137 x 71 x 7.2 mm)
4.25" x 1.81" x 0.69"
(108 x 46 x 17.5 mm)
Form Factor Slab Slide Slab Slab Slab
Platform / OS (proprietary) Android Windows Android Windows Mobile Standard
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 800, 850, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology LTE (Cat 4) EVDO rA HSPA+ 21 LTE (Cat 3) GPRS
Features 
Flashlight Yes - - - -
GPS / Location Yes n/a n/a n/a n/a
Accessibility
Adjustable Text Size - n/a n/a n/a n/a
Hearing Aid Compatible Yes Yes Yes Yes -
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes -
Alerts
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes Yes
Classic Audio
Yes
Infrared (IR) - - - - Yes
Mobile Hotspot Yes n/a n/a n/a n/a
NFC Yes - - Yes -
USB Yes
Micro-USB
Yes Yes Yes
Micro-USB
Yes
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 a,b,g,n)
Yes Yes
4 (802.11 a,b,g,n)
-
Contacts
Picture ID Yes n/a n/a n/a n/a
Ringer ID Yes n/a n/a n/a n/a
Voice Dialing Yes n/a n/a n/a n/a
Customization
Custom Graphics - n/a n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a n/a
Real-Music Ringers - n/a n/a n/a n/a
Data & Network
Data Tethering Yes n/a n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen Yes Yes Yes Yes -
Memory
Memory Card Slot - Yes Yes - Yes
Messaging
Email Client Yes n/a n/a n/a n/a
Instant Messaging - n/a n/a n/a n/a
MMS Yes n/a n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a n/a
Music
Headphone Jack (3.5mm) Yes Yes Yes Yes -
Music Player Yes n/a n/a n/a n/a
Stereo Speakers Yes - - - -
Photo & Video
Miracast Yes - - Yes -
TV Output Yes - - - -
Productivity
Alarm Yes n/a n/a n/a n/a
Calculator Yes n/a n/a n/a n/a
Calendar Yes n/a n/a n/a n/a
To-Do List - n/a n/a n/a n/a
Voice Memo Yes n/a n/a n/a n/a
Software
Games Yes n/a n/a n/a n/a
Voice
HD Voice Yes - - - -
Headset Jack (2.5 mm) - n/a n/a n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  Amazon Fire Samsung Transform Ultra Nokia Lumia 521 / 520 Motorola Droid Ultra HTC SPV C550 (Hurricane)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Amazon Fire Samsung Transform Ultra Nokia Lumia 521 / 520 Motorola Droid Ultra HTC SPV C550 (Hurricane)

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