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Phone Nubia Red Magic 3 / 3S Motorola i530 Samsung SPH-A520 Samsung SGH-X640
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 6.7" diag.
19.5 : 9
? ? ?
Display Resolution & Type 1080 x 2340 pixels
(~388 ppi)
AMOLED
? ?
LCD (STN)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh 90 Hz ? ? ?
Battery 5,000 mAh ? ? 800 mAh
Processor Qualcomm Snapdragon 855+ ? ? ?
RAM 8 GB * ? ? ?
Storage 128 GB * ? raw hardware ? raw hardware ? raw hardware
Main Camera 48 megapixel - - Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture 4K UHD - - -
Front Camera 16 megapixel - - -
Weight 7.58 oz
(215g)
5.5 oz
(156g)
3.6 oz
(102g)
3 oz
(85g)
Dimensions 6.76" x 3.09" x 0.38"
(172 x 79 x 9.7 mm)
3.7" x 2.13" x 1.26"
(94 x 54 x 32 mm)
3.46" x 1.83" x 0.91"
(88 x 46 x 23.1 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
Form Factor Slab Clamshell Clamshell Clamshell
Platform / OS Android (proprietary) (proprietary) (proprietary)
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 34, 38, 39, 40, 41, 66

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

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

iDEN: 800

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

Data Technology LTE (Cat 9) - 1xRTT GPRS
Features 
Fingerprint Reader Yes
stand-alone
- - -
Flashlight Yes - - -
GPS / Location n/a Yes Yes -
Ruggedized - Yes - -
Accessibility
Multiple Languages n/a Yes Yes Yes
TTY/TDD (Digital) Yes - - -
Alerts
Extra Display - - Yes -
Connectivity
Bluetooth Yes - - -
USB Yes
USB Type C
Yes - -
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - -
Contacts
Picture ID n/a - Yes Yes
Ringer ID n/a Yes Yes Yes
Voice Dialing n/a Yes Yes -
Customization
Custom Graphics n/a - Yes Yes
Custom Ringtones n/a Yes Yes Yes
Data & Network
Data Tethering n/a Yes Yes -
Dual-SIM Yes - - -
WAP / Web Browser n/a Yes Yes Yes
Input
Predictive Text Entry n/a Yes Yes Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - -
Touch Screen Yes
Capacitive
- - -
Messaging
EMS / Picture Messaging n/a - - Yes
MMS n/a - - Yes
Text Messaging Templates n/a - - Yes
Music
Headphone Jack (3.5mm) Yes - - -
Stereo Speakers Yes - - -
Photo & Video
TV Output Yes - - -
Power
Fast Charging Yes - - -
Productivity
Alarm n/a - Yes Yes
Calculator n/a - Yes Yes
Calendar n/a - Yes Yes
To-Do List n/a - Yes Yes
Voice Memo n/a Yes Yes Yes
Software
Games n/a - Yes Yes
Java (J2ME) n/a - - Yes
Voice
HD Voice Yes - - -
Headset Jack (2.5 mm) n/a Yes Yes Yes
Push-To-Talk - Yes - -
Speaker Phone Yes Yes - Yes
  Nubia Red Magic 3 / 3S Motorola i530 Samsung SPH-A520 Samsung SGH-X640
  X > < X > < X > < X

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

 
Phone Nubia Red Magic 3 / 3S Motorola i530 Samsung SPH-A520 Samsung SGH-X640

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