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Phone Samsung SGH-X640 LG G4020 Motorola Droid Ultra Motorola Triumph Sony Xperia XZ2
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Not yet released
Specifications 
Display Size ? ? 5" diag.
16 : 9
4.1" diag.
5 : 3
5.7" diag.
18 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
720 x 1280 pixels
(~294 ppi)
AMOLED
480 x 800 pixels
(~228 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~424 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz 60 Hz
Battery 800 mAh 760 mAh 2,130 mAh 1,400 mAh 3,180 mAh
Processor ? ? 1.7 GHz Qualcomm Snapdragon S4 Pro MSM8960T 1 GHz Qualcomm Snapdragon S2 MSM8655 Qualcomm Snapdragon 845
RAM ? ? 2 GB ? 4 GB
Storage ? raw hardware ? raw hardware 16 GB ? raw hardware 64 GB
Main Camera Yes - 10 megapixel 5 megapixel 19 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 1080p HD 720p HD 4K UHD
Front Camera - - 2 megapixel Yes 5 megapixel
Weight 3 oz
(85g)
3 oz
(85g)
4.83 oz
(137g)
5.04 oz
(143g)
6.98 oz
(198g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.19" x 1.69" x 0.82"
(81 x 43 x 20.8 mm)
5.41" x 2.8" x 0.28"
(137 x 71 x 7.2 mm)
4.8" x 2.6" x 0.39"
(122 x 66 x 9.9 mm)
6.02" x 2.83" x 0.44"
(153 x 72 x 11.1 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android Android
Network Bands

GSM: 900, 1800, 1900

GSM: 850, 1900

4G LTE: 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 29, 38, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology GPRS GPRS LTE (Cat 3) EVDO rA LTE (Cat 18)
Features 
Fingerprint Reader - - - - Yes
stand-alone
Flashlight - - - - Yes
GPS / Location - - n/a n/a n/a
Water-Resistant - - - - Yes
IPX5 (direct spray)
Accessibility
Adjustable Text Size - - n/a n/a n/a
Hearing Aid Compatible - - Yes Yes Yes
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) - Yes Yes Yes -
Alerts
Extra Display - Yes - - -
Connectivity
Bluetooth - - Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
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
4 (802.11 a,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes n/a n/a n/a
Ringer ID Yes Yes n/a n/a n/a
Voice Dialing - - n/a n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers - - n/a n/a n/a
Data & Network
Data Tethering - Yes n/a n/a n/a
Dual-SIM - - - - Yes
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
Touch Screen - - Yes Yes Yes
Memory
Memory Card Slot - - - Yes Yes
Messaging
Email Client - - n/a n/a n/a
EMS / Picture Messaging 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
Headphone Jack (3.5mm) - - Yes Yes -
Music Player - - n/a n/a n/a
Stereo Speakers - - - - Yes
Photo & Video
DLNA - - - - Yes
Miracast - - Yes - Yes
TV Output - - - Yes -
Power
Fast Charging - - - - Yes
Wireless Charging - - - - 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 - n/a n/a n/a
Software
Games Yes Yes n/a n/a n/a
Java (J2ME) Yes Yes n/a n/a n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) Yes Yes n/a n/a n/a
Speaker Phone Yes - Yes Yes Yes
  Samsung SGH-X640 LG G4020 Motorola Droid Ultra Motorola Triumph Sony Xperia XZ2
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-X640 LG G4020 Motorola Droid Ultra Motorola Triumph Sony Xperia XZ2

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