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Phone Samsung SGH-X640 BlackBerry Passport Kyocera DuraForce ZTE Blade Z Max
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 4.5" diag.
1 : 1
4.5" diag.
16 : 9
6" diag.
16 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
1440 x 1440 pixels
(~453 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~326 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz
Battery 800 mAh 3,450 mAh 3,100 mAh 4,080 mAh
Processor ? 2.2 GHz Qualcomm Snapdragon 801 (MSM8974-AA) 1.4 GHz Qualcomm Snapdragon 400 (MSM8928) 1.4 GHz Qualcomm Snapdragon 435 (MSM8940)
RAM ? 3 GB 2 GB 2 GB
Storage ? raw hardware 32 GB 16 GB 32 GB
Main Camera Yes 13 megapixel 8 megapixel 16 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - 1080p HD 1080p HD 1080p HD
Front Camera - 2 megapixel 2 megapixel 8 megapixel
Weight 3 oz
(85g)
6.91 oz
(196g)
7.06 oz
(200g)
6.58 oz
(186g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.04" x 3.56" x 0.36"
(128 x 90 x 9.1 mm)
5.39" x 2.78" x 0.55"
(137 x 71 x 14 mm)
6.51" x 3.28" x 0.33"
(165 x 83 x 8.3 mm)
Form Factor Clamshell Slab Slab Slab
Platform / OS (proprietary) BlackBerry 10 Android Android
Network Bands

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

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

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 12, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology GPRS LTE (Cat 4) LTE (Cat 3) LTE (Cat 6)
Features 
Fingerprint Reader - - - Yes
stand-alone
Flashlight - - Yes Yes
GPS / Location - n/a n/a n/a
Ruggedized - - Yes -
Water-Resistant - - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size - n/a n/a n/a
Hearing Aid Compatible - Yes
M4 (very compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a n/a n/a
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Ringer Profiles - Yes - -
Connectivity
Bluetooth - Yes Yes Yes
Mobile Hotspot - n/a n/a n/a
NFC - Yes Yes -
USB - Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a n/a n/a
Ringer ID Yes n/a n/a n/a
Voice Dialing - n/a n/a n/a
Customization
Custom Graphics Yes 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 - n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - -
Touch Screen - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - Yes Yes Yes
Messaging
Email Client - n/a n/a n/a
EMS / Picture Messaging 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 - Yes
Headphone Jack (3.5mm) - Yes Yes Yes
Music Player - n/a n/a n/a
Stereo Speakers - - Yes -
Photo & Video
DLNA - Yes Yes -
Miracast - Yes Yes -
TV Output - Yes - -
Power
Fast Charging - - - Yes
Wireless Charging - - Yes -
Productivity
Alarm Yes n/a n/a n/a
Calculator Yes n/a n/a n/a
Calendar Yes n/a n/a n/a
To-Do List Yes n/a n/a n/a
Voice Memo Yes n/a n/a n/a
Software
Games Yes n/a n/a n/a
Java (J2ME) Yes n/a n/a n/a
Voice
HD Voice - Yes - Yes
Headset Jack (2.5 mm) Yes n/a n/a n/a
Push-To-Talk - - Yes * -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 BlackBerry Passport Kyocera DuraForce ZTE Blade Z Max
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Phone Samsung SGH-X640 BlackBerry Passport Kyocera DuraForce ZTE Blade Z Max

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