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Phone Nubia Red Magic 3 / 3S Samsung Trance SCH-U490 TCL 20 XE Amazon Fire
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 6.7" diag.
19.5 : 9
2.1" diag.
4 : 3
6.5" diag.
20 : 9
4.7" diag.
16 : 9
Display Resolution & Type 1080 x 2340 pixels
(~388 ppi)
AMOLED
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
Display Refresh 90 Hz ? 60 Hz ?
Battery 5,000 mAh ? 5,000 mAh 2,400 mAh
Processor Qualcomm Snapdragon 855+ ? 2 GHz MediaTek Helio P22 (MT6762) 2.2 GHz Qualcomm Snapdragon 800
RAM 8 GB * ? 3 GB 2 GB
Storage 128 GB * ? raw hardware 32 GB 32 GB *
Main Camera 48 megapixel 1 megapixel 13 megapixel 13 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 4K UHD - 1080p HD 1080p HD
Front Camera 16 megapixel - 5 megapixel 2 megapixel
Weight 7.58 oz
(215g)
3.53 oz
(100g)
6.88 oz
(195g)
5.64 oz
(160g)
Dimensions 6.76" x 3.09" x 0.38"
(172 x 79 x 9.7 mm)
4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
6.48" x 2.95" x 0.35"
(165 x 75 x 8.9 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
Form Factor Slab Slide Slab Slab
Platform / OS Android (proprietary) Android (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

CDMA: 850, 1900

4G LTE: 2, 4, 5, 7, 12, 25, 26, 41, 66, 71

WCDMA: 2, 4, 5

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 LTE (Cat 9) 1xRTT LTE (Cat 6) LTE (Cat 4)
Features 
Barometer - - Yes -
Fingerprint Reader Yes
stand-alone
- Yes
stand-alone
-
Flashlight Yes - Yes Yes
GPS / Location n/a Yes n/a Yes
Accessibility
Adjustable Text Size n/a Yes n/a -
Hearing Aid Compatible - Yes Yes Yes
Multiple Languages n/a Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot n/a - n/a Yes
NFC - - - Yes
USB Yes
USB Type C
Yes Yes
USB Type C
Yes
Micro-USB
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a Yes n/a Yes
Ringer ID n/a Yes n/a Yes
Voice Dialing n/a Yes n/a Yes
Customization
Custom Graphics n/a Yes n/a -
Custom Ringtones n/a Yes n/a Yes
Real-Music Ringers n/a Yes n/a -
Data & Network
Data Tethering n/a Yes n/a Yes
Dual-SIM Yes - - -
WAP / Web Browser n/a Yes n/a Yes
Input
Predictive Text Entry n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - -
Touch Screen Yes - Yes Yes
Memory
Memory Card Slot - Yes Yes -
Messaging
Email Client n/a - n/a Yes
MMS n/a Yes n/a Yes
Text Messaging Templates n/a Yes n/a Yes
Music
Headphone Jack (3.5mm) Yes Yes Yes Yes
Music Player n/a Yes n/a Yes
Stereo Speakers Yes - - Yes
Photo & Video
Miracast - - - Yes
TV Output Yes - - Yes
Power
Fast Charging Yes - Yes -
Productivity
Alarm n/a Yes n/a Yes
Calculator n/a Yes n/a Yes
Calendar n/a Yes n/a Yes
Voice Memo n/a Yes n/a Yes
Software
BREW n/a Yes n/a -
Games n/a Yes n/a Yes
Voice
HD Voice Yes - Yes Yes
Speaker Phone Yes Yes Yes Yes
  Nubia Red Magic 3 / 3S Samsung Trance SCH-U490 TCL 20 XE Amazon Fire
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nubia Red Magic 3 / 3S Samsung Trance SCH-U490 TCL 20 XE Amazon Fire

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