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Phone LG Trax CU575 Samsung Galaxy Ring / Prevail 2 Asus ROG Phone Amazon Fire
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 4" diag.
5 : 3
6" diag.
18 : 9
4.7" diag.
16 : 9
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
AMOLED
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ?
Battery 980 mAh 1,750 mAh 4,000 mAh 2,400 mAh
Processor ? 1.4 GHz Qualcomm Snapdragon S2 MSM8655 3 GHz Qualcomm Snapdragon 845 2.2 GHz Qualcomm Snapdragon 800
RAM ? 1 GB 8 GB 2 GB
Storage ? raw hardware 4 GB 128 GB * 32 GB *
Main Camera 1 megapixel 5 megapixel 12 megapixel 13 megapixel
Wide Camera - - 8 megapixel -
Tele Camera - - - -
Video Capture QCIF (176 x 144) 720p HD 4K UHD 1080p HD
Front Camera - 1 megapixel 8 megapixel 2 megapixel
Weight 3.89 oz
(110g)
3.4 oz
(96g)
7.05 oz
(200g)
5.64 oz
(160g)
Dimensions 3.89" x 2.01" x 0.62"
(99 x 51 x 15.7 mm)
4.83" x 2.48" x 0.47"
(123 x 63 x 11.9 mm)
6.25" x 3" x 0.34"
(159 x 76 x 8.6 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
Form Factor Clamshell Slab Slab Slab
Platform / OS (proprietary) Android Android (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 800, 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34, 38, 39, 40, 41, 46

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

GSM: 850, 900, 1800, 1900

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 EVDO rA LTE (Cat 16) LTE (Cat 4)
Features 
Fingerprint Reader - - Yes -
Flashlight - - Yes Yes
GPS / Location - n/a n/a Yes
Water-Resistant - - Yes -
Accessibility
Adjustable Text Size - n/a n/a -
Hearing Aid Compatible - Yes Yes Yes
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Extra Display Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot - n/a n/a Yes
NFC - - Yes Yes
USB Yes Yes Yes
USB Type C
Yes
Micro-USB
Wi-Fi - Yes
4 (802.11 a,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a n/a Yes
Ringer ID - n/a n/a Yes
Voice Dialing Yes n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a -
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers Yes n/a n/a -
Data & Network
Data Tethering Yes n/a n/a Yes
Dual-SIM - - Yes -
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes
Touch Screen - Yes Yes Yes
Memory
Memory Card Slot Yes Yes - -
Messaging
Email Client Yes n/a n/a Yes
Instant Messaging Yes n/a n/a -
MMS Yes n/a n/a Yes
Text Messaging Templates Yes n/a n/a Yes
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) - Yes Yes Yes
Music Player Yes n/a n/a Yes
Stereo Speakers - - Yes Yes
Photo & Video
DLNA - Yes - -
Miracast - - - Yes
TV Output - - Yes Yes
Power
Fast Charging - - Yes -
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
To-Do List Yes n/a n/a -
Voice Memo Yes n/a n/a Yes
Software
Games Yes n/a n/a Yes
Java (J2ME) Yes n/a n/a -
Voice
HD Voice - - - Yes
Speaker Phone Yes Yes Yes Yes
  LG Trax CU575 Samsung Galaxy Ring / Prevail 2 Asus ROG Phone Amazon Fire
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG Trax CU575 Samsung Galaxy Ring / Prevail 2 Asus ROG Phone Amazon Fire

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