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Phone LG Trax CU575 LG Optimus L90 Alcatel Pop Astro Nubia RedMagic 5S Samsung SGH-E640
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 4.7" diag.
16 : 9
4.5" diag.
16 : 9
6.7" diag.
19.5 : 9
?
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
540 x 960 pixels
(~234 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~388 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz 144 Hz ?
Battery 980 mAh 2,460 mAh 2,000 mAh 4,500 mAh 800 mAh
Processor ? 1.2 GHz Qualcomm Snapdragon 400 MSM8226 1.5 GHz MediaTek MTK6732 Qualcomm Snapdragon 865 ?
RAM ? 1 GB 1 GB 8 GB * ?
Storage ? raw hardware 8 GB 4 GB 128 GB * ? raw hardware
Main Camera 1 megapixel 5 megapixel 5 megapixel 64 megapixel 1 megapixel
Wide Camera - - - 8 megapixel -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) 1080p HD 1080p HD 4K UHD QCIF (176 x 144)
Front Camera - Yes Yes 8 megapixel -
Weight 3.89 oz
(110g)
4.37 oz
(124g)
5.11 oz
(145g)
7.76 oz
(220g)
3.17 oz
(90g)
Dimensions 3.89" x 2.01" x 0.62"
(99 x 51 x 15.7 mm)
5.18" x 2.6" x 0.38"
(132 x 66 x 9.7 mm)
5.23" x 2.57" x 0.39"
(133 x 65 x 9.9 mm)
6.64" x 3.07" x 0.38"
(169 x 78 x 9.8 mm)
3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
Form Factor Clamshell Slab Slab Slab Clamshell
Platform / OS (proprietary) Android Android Android (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

5G: 41, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 26, 34, 38, 40, 41

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

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology HSDPA 3.6 HSPA+ 21 LTE (Cat 4) NR (5G) GPRS
Features 
Fingerprint Reader - - - Yes -
Flashlight - Yes Yes Yes -
GPS / Location - n/a n/a n/a -
Accessibility
Adjustable Text Size - n/a n/a n/a -
Hearing Aid Compatible - Yes Yes - -
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes - -
Alerts
Extra Display Yes - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - Yes - - -
Mobile Hotspot - n/a n/a n/a -
USB Yes Yes Yes
Micro-USB
Yes
USB Type C
Yes
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
-
Contacts
Picture ID Yes n/a n/a n/a Yes
Ringer ID - n/a n/a n/a Yes
Voice Dialing Yes n/a n/a n/a -
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers Yes n/a n/a n/a Yes
Data & Network
Data Tethering Yes n/a n/a n/a -
Dual-SIM - - - Yes -
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot Yes Yes Yes - -
Messaging
Email Client Yes n/a n/a n/a Yes
EMS / Picture Messaging - n/a n/a n/a Yes
Instant Messaging Yes n/a n/a n/a -
MMS Yes n/a n/a n/a Yes
Text Messaging Templates Yes n/a n/a n/a Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player Yes n/a n/a n/a Yes
Stereo Speakers - - - Yes -
Photo & Video
TV Output - - - Yes -
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
To-Do List Yes n/a n/a n/a Yes
Voice Memo Yes n/a n/a n/a Yes
Software
Games Yes n/a n/a n/a Yes
Java (J2ME) Yes n/a n/a n/a Yes
Voice
HD Voice - - Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  LG Trax CU575 LG Optimus L90 Alcatel Pop Astro Nubia RedMagic 5S Samsung SGH-E640
  X > < X > < X > < X > < X

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

 
Phone LG Trax CU575 LG Optimus L90 Alcatel Pop Astro Nubia RedMagic 5S Samsung SGH-E640

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