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Phone Nokia Lumia 521 / 520 Amazon Fire Motorola Rival A455 Samsung Galaxy Note Edge (GSM) Casio Exilim C721
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
4.7" diag.
16 : 9
2.2" diag.
4 : 3
5.6" diag.
16 : 9
2.3" diag.
4 : 3
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~525 ppi)
AMOLED
240 x 320 pixels
(~174 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 1,430 mAh 2,400 mAh 940 mAh 3,000 mAh 920 mAh
Processor 1 GHz Qualcomm Snapdragon S4 MSM8270 2.2 GHz Qualcomm Snapdragon 800 ? 2.7 GHz Qualcomm Snapdragon 805 (APQ8084) ?
RAM 512 MB 2 GB ? 3 GB ?
Storage 8 GB 32 GB * ? raw hardware 32 GB ? raw hardware
Main Camera 5 megapixel 13 megapixel 2 megapixel 16 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD 1080p HD QVGA (320 x 240) 4K UHD QVGA (320 x 240)
Front Camera - 2 megapixel - 4 megapixel -
Weight 4.39 oz
(124g)
5.64 oz
(160g)
4.48 oz
(127g)
6.14 oz
(174g)
4.48 oz
(127g)
Dimensions 4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
5.96" x 3.24" x 0.33"
(151 x 82 x 8.3 mm)
4.06" x 1.97" x 0.78"
(103 x 50 x 19.9 mm)
Form Factor Slab Slab Slide Slab Clamshell
Platform / OS Windows (proprietary) (proprietary) Android (proprietary)
Network Bands

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology HSPA+ 21 LTE (Cat 4) EVDO r0 LTE (Cat 4) EVDO rA
Features 
Fingerprint Reader - - - Yes -
Flashlight - Yes - Yes Yes
GPS / Location n/a Yes Yes n/a Yes
Ruggedized - - - - Yes
Water-Resistant - - - - Yes
Accessibility
Adjustable Text Size n/a - - n/a Yes
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages n/a Yes Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - - - Yes
Connectivity
Bluetooth Yes
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - Yes -
MirrorLink - - - Yes -
Mobile Hotspot n/a Yes - n/a -
NFC - Yes - Yes -
USB Yes Yes
Micro-USB
Yes
Micro-USB
Yes Yes
Wi-Fi Yes Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID n/a Yes Yes n/a Yes
Ringer ID n/a Yes Yes n/a Yes
Voice Dialing n/a Yes Yes n/a Yes
Customization
Custom Graphics n/a - Yes n/a Yes
Custom Ringtones n/a Yes Yes n/a Yes
Real-Music Ringers n/a - Yes n/a Yes
Data & Network
Data Tethering n/a Yes Yes n/a Yes
WAP / Web Browser n/a Yes Yes n/a Yes
Input
Predictive Text Entry n/a Yes - n/a Yes
Side Keys Yes Yes Yes Yes Yes
Stylus - - - Yes -
Text Keyboard, Hardware - - Yes - -
Touch Screen Yes Yes Yes Yes -
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client n/a Yes Yes n/a -
EMS / Picture Messaging n/a - Yes n/a Yes
Instant Messaging n/a - Yes n/a Yes
MMS n/a Yes Yes n/a Yes
Text Messaging Templates n/a Yes Yes n/a Yes
Music
Headphone Jack (3.5mm) Yes Yes Yes Yes -
Music Player n/a Yes Yes n/a Yes
Stereo Speakers - Yes - - -
Photo & Video
DLNA - - - Yes -
Miracast - Yes - - -
TV Output - Yes - Yes -
Power
Fast Charging - - - Yes -
Productivity
Alarm n/a Yes Yes n/a Yes
Calculator n/a Yes Yes n/a Yes
Calendar n/a Yes Yes n/a Yes
To-Do List n/a - - n/a Yes
Voice Memo n/a Yes Yes n/a Yes
Software
BREW n/a - Yes n/a Yes
Games n/a Yes Yes n/a Yes
Voice
HD Voice - Yes - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  Nokia Lumia 521 / 520 Amazon Fire Motorola Rival A455 Samsung Galaxy Note Edge (GSM) Casio Exilim C721
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nokia Lumia 521 / 520 Amazon Fire Motorola Rival A455 Samsung Galaxy Note Edge (GSM) Casio Exilim C721

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