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Phone Kyocera DuraForce Sony Xperia Z Ultra Nokia Lumia 521 / 520 Nokia N76
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Not yet released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
6.4" diag.
16 : 9
4" diag.
5 : 3
2.4" diag.
4 : 3
Display Resolution & Type 720 x 1280 pixels
(~326 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~344 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? ?
Battery 3,100 mAh 3,050 mAh 1,430 mAh 700 mAh
Processor 1.4 GHz Qualcomm Snapdragon 400 (MSM8928) 2.2 GHz Qualcomm Snapdragon 800 MSM8974 1 GHz Qualcomm Snapdragon S4 MSM8270 ?
RAM 2 GB 2 GB 512 MB ?
Storage 16 GB 16 GB 8 GB ? raw hardware
Main Camera 8 megapixel 8 megapixel 5 megapixel 2 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 1080p HD 1080p HD 720p HD QVGA (320 x 240)
Front Camera 2 megapixel 2 megapixel - -
Weight 7.06 oz
(200g)
7.48 oz
(212g)
4.39 oz
(124g)
4.06 oz
(115g)
Dimensions 5.39" x 2.78" x 0.55"
(137 x 71 x 14 mm)
7.06" x 3.63" x 0.26"
(179 x 92 x 6.5 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
4.19" x 2.05" x 0.54"
(106 x 52 x 13.7 mm)
Platform / OS Android Android Windows S60 (Symbian)
Network Bands

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

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

*

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 1

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 3) LTE (Cat 4) HSPA+ 21 EDGE
Features 
Flashlight Yes - - -
Ruggedized Yes Yes - -
Water-Resistant Yes
IPX8 (SCUBA)
Yes - -
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes
TTY/TDD (Digital) Yes - Yes -
Alerts
Extra Display - - - Yes
Ringer Profiles - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
MirrorLink - Yes - -
NFC Yes Yes - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes Yes
Mini-USB
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes Yes -
Input
Side Keys Yes Yes Yes Yes
Touch Screen Yes Yes Yes -
Memory
Memory Card Slot Yes Yes Yes Yes
Music
FM Radio - Yes - Yes
Headphone Jack (3.5mm) Yes Yes Yes -
Stereo Speakers Yes - - -
Photo & Video
DLNA Yes Yes - -
Miracast Yes Yes - -
TV Output - Yes - -
Power
Wireless Charging Yes - - -
Voice
Push-To-Talk Yes * - - Yes *
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Kyocera DuraForce Sony Xperia Z Ultra Nokia Lumia 521 / 520 Nokia N76
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Kyocera DuraForce Sony Xperia Z Ultra Nokia Lumia 521 / 520 Nokia N76

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