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Phone BlackBerry Key2 Sony Xperia Z Ultra Samsung Galaxy Note 4 (CDMA) ZTE Speed Samsung SCH-A645
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Not yet released Released Released Released
Specifications 
Display Size 4.5" diag.
5 : 3
6.4" diag.
16 : 9
5.7" diag.
16 : 9
4.5" diag.
16 : 9
?
Display Resolution & Type 1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~344 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~515 ppi)
AMOLED
540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
Display Refresh 60 Hz 60 Hz 60 Hz 60 Hz ?
Battery 3,500 mAh 3,050 mAh 3,220 mAh 2,000 mAh 1,000 mAh
Processor 2.2 GHz Qualcomm Snapdragon 660 2.2 GHz Qualcomm Snapdragon 800 MSM8974 2.7 GHz Qualcomm Snapdragon 805 1.2 GHz Qualcomm Snapdragon 410 MSM8916 ?
RAM 6 GB 2 GB 3 GB 1 GB ?
Storage 64 GB * 16 GB 32 GB 8 GB ? raw hardware
Main Camera 12 megapixel 8 megapixel 16 megapixel 5 megapixel -
Wide Camera - - - - -
Tele Camera 12 megapixel - - - -
Video Capture 4K UHD 1080p HD 4K UHD 720p HD -
Front Camera 8 megapixel 2 megapixel 4 megapixel 2 megapixel -
Weight 5.93 oz
(168g)
7.48 oz
(212g)
6.21 oz
(176g)
4.8 oz
(136g)
3.2 oz
(91g)
Dimensions 5.96" x 2.82" x 0.33"
(151 x 72 x 8.4 mm)
7.06" x 3.63" x 0.26"
(179 x 92 x 6.5 mm)
6.04" x 3.09" x 0.33"
(154 x 79 x 8.5 mm)
5.3" x 2.6" x 0.4"
(135 x 66 x 10.2 mm)
3.54" x 1.79" x 0.94"
(90 x 45 x 23.9 mm)
Form Factor Slab Slab Slab Slab Clamshell
Platform / OS Android Android Android Android (proprietary)
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 28, 29, 30, 38, 40, 41, 66

WCDMA: 1, 2, 4, 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

*

4G LTE: 4, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 25, 26, 41

CDMA: 800, 850, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology LTE (Cat 11) LTE (Cat 4) LTE (Cat 4) LTE (Cat 3) 1xRTT
Features 
Fingerprint Reader Yes
stand-alone
- Yes - -
Flashlight Yes - Yes - -
GPS / Location n/a n/a n/a n/a Yes
Ruggedized - Yes - - -
Water-Resistant - Yes - - -
Accessibility
Adjustable Text Size n/a n/a n/a n/a -
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages n/a n/a n/a n/a Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display - - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Infrared (IR) - - Yes - -
MirrorLink - Yes Yes - -
Mobile Hotspot n/a n/a n/a n/a -
NFC Yes Yes Yes - -
USB Yes
USB Type C
Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
-
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID n/a n/a n/a n/a Yes
Ringer ID n/a n/a n/a n/a -
Voice Dialing n/a n/a n/a n/a Yes
Customization
Custom Graphics n/a n/a n/a n/a Yes
Custom Ringtones n/a n/a n/a n/a Yes
Real-Music Ringers n/a n/a n/a n/a -
Data & Network
Data Tethering n/a n/a n/a n/a -
WAP / Web Browser n/a n/a n/a n/a Yes *
Input
Predictive Text Entry n/a n/a n/a 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 n/a n/a n/a -
EMS / Picture Messaging n/a n/a n/a n/a Yes
Instant Messaging n/a n/a n/a n/a -
MMS n/a n/a n/a n/a -
Text Messaging Templates n/a n/a n/a n/a Yes
Music
FM Radio Yes Yes - - -
Headphone Jack (3.5mm) Yes Yes Yes Yes -
Music Player n/a n/a n/a n/a -
Photo & Video
DLNA - Yes - - -
Miracast - Yes - - -
TV Output Yes Yes Yes - -
Power
Fast Charging Yes - Yes - -
Productivity
Alarm n/a n/a n/a n/a Yes
Calculator n/a n/a n/a n/a Yes
Calendar n/a n/a n/a n/a Yes
To-Do List n/a n/a n/a n/a Yes
Voice Memo n/a n/a n/a n/a Yes
Software
BREW n/a n/a n/a n/a Yes *
Games n/a n/a n/a n/a Yes *
Voice
HD Voice Yes - Yes Yes -
Headset Jack (2.5 mm) n/a n/a n/a n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  BlackBerry Key2 Sony Xperia Z Ultra Samsung Galaxy Note 4 (CDMA) ZTE Speed Samsung SCH-A645
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Phone BlackBerry Key2 Sony Xperia Z Ultra Samsung Galaxy Note 4 (CDMA) ZTE Speed Samsung SCH-A645

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