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Phone Kyocera DuraXTP Amazon Fire Pantech Duo C810 BlackBerry 7750 Nokia N91
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
4.7" diag.
16 : 9
2.2" diag.
4 : 3
? ?
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
176 x 208 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 1,500 mAh 2,400 mAh 1,320 mAh ? ?
Processor 480 MHz Qualcomm QSC6185 2.2 GHz Qualcomm Snapdragon 800 ARM 920t PXA27x ? ?
RAM 256 MB 2 GB ? ? ?
Storage 512 MB 32 GB * ? raw hardware ? raw hardware ? raw hardware
Main Camera 5 megapixel 13 megapixel 1 megapixel - 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) 1080p HD QVGA (320 x 240) - ?
Front Camera - 2 megapixel - - -
Weight 5.75 oz
(163g)
5.64 oz
(160g)
3.88 oz
(110g)
5.01 oz
(142g)
5.78 oz
(164g)
Dimensions 4.13" x 2.15" x 0.99"
(105 x 55 x 25.1 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
4.01" x 1.97" x 0.78"
(102 x 50 x 19.8 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.45" x 2.17" x 0.87"
(113 x 55 x 22.1 mm)
Form Factor Clamshell Slab Slide Slab Slide
Platform / OS (proprietary) (proprietary) Windows Mobile Standard BlackBerry OS S60 (Symbian)
Network Bands

CDMA: 800, 850, 1900

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

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

WCDMA: 1

GSM: 900, 1800, 1900

Data Technology EVDO rA LTE (Cat 4) HSDPA 1.8 1xRTT EDGE
Features 
Flashlight Yes Yes - - -
GPS / Location Yes Yes n/a n/a n/a
Ruggedized Yes - - - -
Water-Resistant Yes
IPX8 (SCUBA)
- - - -
Accessibility
Adjustable Text Size Yes - n/a n/a n/a
Hearing Aid Compatible Yes Yes - - -
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes - Yes -
Alerts
Extra Display Yes - - - -
Ringer Profiles - - Yes Yes Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Yes
Classic Audio
Mobile Hotspot - Yes n/a n/a n/a
NFC - Yes - - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes Yes Yes
Mini-USB
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- - Yes
802.11 b,g
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 Yes - n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers Yes - n/a n/a n/a
Data & Network
Data Tethering - Yes n/a n/a n/a
WAP / Web Browser Yes 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 Yes
Text Keyboard, Hardware - - Yes Yes -
Touch Screen - Yes - - -
Memory
Memory Card Slot Yes - Yes - -
Messaging
Email Client Yes Yes n/a n/a n/a
Instant Messaging - - n/a n/a n/a
MMS Yes Yes n/a n/a n/a
Text Messaging Templates Yes Yes n/a n/a n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) Yes Yes - - Yes
Music Player - Yes n/a n/a n/a
Stereo Speakers - Yes - - -
Photo & Video
Miracast - Yes - - -
TV Output - 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 Yes n/a n/a n/a
Java (J2ME) - - n/a n/a n/a
Voice
HD Voice - Yes - - -
Headset Jack (2.5 mm) - - n/a n/a n/a
Push-To-Talk Yes - - - Yes *
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  Kyocera DuraXTP Amazon Fire Pantech Duo C810 BlackBerry 7750 Nokia N91
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Kyocera DuraXTP Amazon Fire Pantech Duo C810 BlackBerry 7750 Nokia N91

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