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Phone Sony Xperia Z Ultra Asus Smartphone for Snapdragon Insiders Samsung SGH-X640 Nokia Lumia 635 (CDMA) Kyocera DuraPlus
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Not yet released Not yet released Released Released Released
Specifications 
Display Size 6.4" diag.
16 : 9
6.8" diag.
20.5 : 9
? 4.5" diag.
16 : 9
2" diag.
4 : 3
Display Resolution & Type 1080 x 1920 pixels
(~344 ppi)
LCD (TFT/TFD)
1080 x 2448 pixels
(~395 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 144 Hz ? ? ?
Battery 3,050 mAh 4,000 mAh 800 mAh 1,830 mAh 1,650 mAh
Processor 2.2 GHz Qualcomm Snapdragon 800 MSM8974 2.8 GHz Qualcomm Snapdragon 888 ? 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) ?
RAM 2 GB 16 GB ? 512 MB 128 MB
Storage 16 GB 512 GB ? raw hardware 8 GB 256 MB
Main Camera 8 megapixel 64 megapixel Yes 5 megapixel -
Wide Camera - 12 megapixel - - -
Tele Camera - 8 megapixel - - -
Video Capture 1080p HD 8K - 720p HD -
Front Camera 2 megapixel 24 megapixel - - -
Weight 7.48 oz
(212g)
7.41 oz
(210g)
3 oz
(85g)
4.73 oz
(134g)
6.67 oz
(189g)
Dimensions 7.06" x 3.63" x 0.26"
(179 x 92 x 6.5 mm)
6.82" x 3.04" x 0.38"
(173 x 77 x 9.6 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.1" x 2.63" x 0.36"
(130 x 67 x 9.1 mm)
5.28" x 2.17" x 0.93"
(134 x 55 x 23.6 mm)
Form Factor Slab Slab Clamshell Slab Slab
Platform / OS Android Android (proprietary) Windows (proprietary)
Network Bands

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

5G: 1, 2, 3, 5, 7, 8, 12, 13, 14, 18, 20, 25, 26, 28, 30, 38, 40, 41, 46, 48, 66, 71, 77-C, 78, 257, 258, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 25, 26, 41

WCDMA: 1, 2, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 800, 850, 1900

Data Technology LTE (Cat 4) NR (5G) GPRS LTE (Cat 3) EVDO rA
Features 
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight - Yes - - Yes
GPS / Location n/a n/a - n/a Yes
Ruggedized Yes - - - Yes
Water-Resistant Yes - - - Yes
Accessibility
Adjustable Text Size n/a n/a - n/a Yes
Hearing Aid Compatible Yes Yes - Yes Yes
Multiple Languages n/a n/a Yes n/a Yes
TTY/TDD (Digital) - - - Yes Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
- Yes
Classic Audio
Yes
Classic Audio
MirrorLink Yes - - - -
Mobile Hotspot n/a n/a - n/a -
NFC Yes Yes - - -
USB Yes
Micro-USB
Yes
USB Type C
- Yes
Micro-USB
Yes
Micro-USB
Wi-Fi Yes Yes
6E (802.11 a,ac,ax,b,g,n)
- Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID n/a n/a Yes n/a -
Ringer ID n/a n/a Yes n/a Yes
Voice Dialing n/a n/a - n/a Yes
Customization
Custom Graphics n/a n/a Yes n/a Yes
Custom Ringtones n/a n/a Yes n/a Yes
Real-Music Ringers n/a n/a - n/a -
Data & Network
Data Tethering n/a n/a - n/a -
Dual-SIM - Yes - - -
WAP / Web Browser n/a n/a Yes n/a Yes
Input
Predictive Text Entry n/a n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes Yes - Yes -
Memory
Memory Card Slot Yes - - Yes -
Messaging
Email Client n/a n/a - n/a -
EMS / Picture Messaging n/a n/a Yes n/a -
Instant Messaging n/a n/a - n/a -
MMS n/a n/a Yes n/a Yes
Text Messaging Templates n/a n/a Yes n/a Yes
Music
FM Radio Yes - - Yes -
Headphone Jack (3.5mm) Yes - - Yes -
Music Player n/a n/a - n/a -
Stereo Speakers - Yes - - -
Photo & Video
DLNA Yes - - Yes -
Miracast Yes - - - -
TV Output Yes - - - -
Power
Fast Charging - Yes - - -
Productivity
Alarm n/a n/a Yes n/a Yes
Calculator n/a n/a Yes n/a Yes
Calendar n/a n/a Yes n/a Yes
To-Do List n/a n/a Yes n/a -
Voice Memo n/a n/a Yes n/a Yes
Software
BREW n/a n/a - n/a Yes
Games n/a n/a Yes n/a Yes
Java (J2ME) n/a n/a Yes n/a Yes
Voice
HD Voice - Yes - - -
Headset Jack (2.5 mm) n/a n/a Yes n/a Yes
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Sony Xperia Z Ultra Asus Smartphone for Snapdragon Insiders Samsung SGH-X640 Nokia Lumia 635 (CDMA) Kyocera DuraPlus
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Phone Sony Xperia Z Ultra Asus Smartphone for Snapdragon Insiders Samsung SGH-X640 Nokia Lumia 635 (CDMA) Kyocera DuraPlus

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