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Phone Samsung SGH-X640 Sony Xperia XZ1 Sony Ericsson T68i ZTE Blade Vantage Samsung Rugby A837
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5.2" diag.
16 : 9
? 5" diag.
16 : 9
2" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
101 x 80 pixels
LCD (STN)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz ?
Battery 800 mAh 2,700 mAh 700 mAh 2,500 mAh 1,000 mAh
Processor ? 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ?
RAM ? 4 GB ? 2 GB ?
Storage ? raw hardware 64 GB ? raw hardware 16 GB ? raw hardware
Main Camera Yes 19 megapixel - 8 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 4K UHD - 720p HD QCIF (176 x 144)
Front Camera - 13 megapixel - 2 megapixel -
Weight 3 oz
(85g)
5.5 oz
(156g)
2.96 oz
(84g)
5.29 oz
(150g)
4.66 oz
(132g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.82" x 2.89" x 0.29"
(148 x 73 x 7.4 mm)
3.94" x 1.89" x 0.79"
(100 x 48 x 20.1 mm)
5.73" x 2.85" x 0.36"
(146 x 72 x 9.2 mm)
3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
Form Factor Clamshell Slab Slab Slab Clamshell
Platform / OS (proprietary) Android (proprietary) Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 13

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology GPRS LTE (Cat 16) GPRS LTE (Cat 4) HSDPA 3.6
Features 
Barometer - Yes - - -
Fingerprint Reader - Yes *
stand-alone
- - -
Flashlight - Yes - Yes -
GPS / Location - n/a - n/a Yes
Ruggedized - - - - Yes
Water-Resistant - Yes
IPX8 (SCUBA)
- - -
Accessibility
Hearing Aid Compatible - Yes - Yes Yes
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles - - Yes - -
Connectivity
Bluetooth - Yes Yes Yes Yes
Infrared (IR) - - Yes - -
NFC - Yes - - -
USB - Yes
USB Type C
- Yes
Micro-USB
Yes
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes n/a Yes n/a Yes
Ringer ID Yes n/a Yes n/a Yes
Voice Dialing - n/a Yes n/a -
Customization
Custom Graphics Yes n/a Yes n/a Yes
Custom Ringtones Yes n/a Yes n/a Yes
Real-Music Ringers - n/a - n/a Yes
Data & Network
Data Tethering - n/a Yes n/a Yes
Dual-SIM - Yes * - - -
WAP / Web Browser Yes n/a Yes n/a Yes
Input
Predictive Text Entry Yes n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes - Yes -
Memory
Memory Card Slot - Yes - Yes Yes
Messaging
Email Client - n/a Yes n/a Yes
EMS / Picture Messaging Yes n/a Yes n/a -
Instant Messaging - n/a - n/a Yes
MMS Yes n/a Yes n/a Yes
Text Messaging Templates Yes n/a Yes n/a Yes
Music
Headphone Jack (3.5mm) - Yes - Yes -
Music Player - n/a - n/a Yes
Stereo Speakers - Yes - - -
Photo & Video
DLNA - Yes - - -
Miracast - Yes - - -
Power
Fast Charging - Yes - - -
Productivity
Alarm Yes n/a Yes n/a Yes
Calculator Yes n/a Yes n/a Yes
Calendar Yes n/a Yes n/a Yes
To-Do List Yes n/a Yes n/a -
Voice Memo Yes n/a Yes n/a Yes
Software
Games Yes n/a Yes n/a Yes
Java (J2ME) Yes n/a - n/a Yes
Voice
HD Voice - Yes - Yes -
Headset Jack (2.5 mm) Yes n/a - n/a -
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes - Yes Yes
  * Some versions only
  Samsung SGH-X640 Sony Xperia XZ1 Sony Ericsson T68i ZTE Blade Vantage Samsung Rugby A837
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Sony Xperia XZ1 Sony Ericsson T68i ZTE Blade Vantage Samsung Rugby A837

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