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Phone Amazon Fire Samsung SPH-N270 (Matrix Phone) Samsung Galaxy S 4 (GSM) Sony Xperia Z1 / Z1s Nokia Lumia 521 / 520
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.7" diag.
16 : 9
? 5" diag.
16 : 9
5" diag.
16 : 9
4" diag.
5 : 3
Display Resolution & Type 720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
1080 x 1920 pixels
(~441 ppi)
AMOLED
1080 x 1920 pixels
(~441 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz ?
Battery 2,400 mAh 1,000 mAh 2,600 mAh 3,000 mAh 1,430 mAh
Processor 2.2 GHz Qualcomm Snapdragon 800 ? 1.9 GHz Qualcomm Snapdragon 600 8064T 2.2 GHz Qualcomm Snapdragon 800 MSM8974 1 GHz Qualcomm Snapdragon S4 MSM8270
RAM 2 GB ? 2 GB 2 GB 512 MB
Storage 32 GB * ? raw hardware 16 GB * 32 GB * 8 GB
Main Camera 13 megapixel - 13 megapixel 20 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD - 1080p HD 1080p HD 720p HD
Front Camera 2 megapixel - 2 megapixel 2 megapixel -
Weight 5.64 oz
(160g)
4.66 oz
(132g)
4.59 oz
(130g)
5.96 oz
(169g)
4.39 oz
(124g)
Dimensions 5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
4.53" x 2.28" x 0.79"
(115 x 58 x 20.1 mm)
5.38" x 2.75" x 0.31"
(137 x 70 x 7.9 mm)
5.69" x 2.91" x 0.33"
(144 x 74 x 8.5 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
Form Factor Slab Slide Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android Windows
Network Bands

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 4, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

Data Technology LTE (Cat 4) - LTE (Cat 3) HSPA+ 42 HSPA+ 21
Features 
Flashlight Yes - Yes - -
GPS / Location Yes Yes n/a n/a n/a
Ruggedized - - - Yes -
Water-Resistant - - - Yes -
Accessibility
Adjustable Text Size - - n/a n/a n/a
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) Yes - Yes Yes Yes
Connectivity
Bluetooth Yes
Classic Audio
- Yes
Classic Audio
Yes
Classic Audio
Yes
Infrared (IR) - - Yes - -
MirrorLink - - - Yes -
Mobile Hotspot Yes - n/a n/a n/a
NFC Yes - Yes Yes -
USB Yes
Micro-USB
- Yes Yes
Micro-USB
Yes
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
Contacts
Picture ID Yes Yes n/a n/a n/a
Ringer ID Yes Yes n/a n/a n/a
Voice Dialing Yes Yes n/a n/a n/a
Customization
Custom Graphics - - n/a n/a n/a
Custom Ringtones 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 - n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes - Yes Yes Yes
Touch Screen Yes - Yes Yes Yes
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client Yes - n/a n/a n/a
Instant Messaging - - n/a n/a n/a
MMS Yes - n/a n/a n/a
Text Messaging Templates Yes - n/a n/a n/a
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) Yes - Yes Yes Yes
Music Player Yes - n/a n/a n/a
Stereo Speakers Yes - - - -
Photo & Video
DLNA - - Yes Yes -
Miracast Yes - Yes Yes -
TV Output Yes - 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 - n/a n/a n/a
Voice
HD Voice Yes - - - -
Headset Jack (2.5 mm) - Yes n/a n/a n/a
Speaker Phone Yes - Yes Yes Yes
  Amazon Fire Samsung SPH-N270 (Matrix Phone) Samsung Galaxy S 4 (GSM) Sony Xperia Z1 / Z1s Nokia Lumia 521 / 520
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Amazon Fire Samsung SPH-N270 (Matrix Phone) Samsung Galaxy S 4 (GSM) Sony Xperia Z1 / Z1s Nokia Lumia 521 / 520

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