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Phone Nubia Red Magic 3 / 3S Motorola razr (2019) Amazon Fire Motorola KRZR K1m Samsung Wafer R510
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6.7" diag.
19.5 : 9
6.2" diag.
22 : 9
4.7" diag.
16 : 9
? 1.9" diag.
4 : 3
Display Resolution & Type 1080 x 2340 pixels
(~388 ppi)
AMOLED
876 x 2142 pixels
(~373 ppi)
AMOLED
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
Display Refresh 90 Hz 60 Hz ? ? ?
Battery 5,000 mAh 2,510 mAh 2,400 mAh 880 mAh 800 mAh
Processor Qualcomm Snapdragon 855+ 2.2 GHz Qualcomm Snapdragon 710 2.2 GHz Qualcomm Snapdragon 800 ? ?
RAM 8 GB * 6 GB 2 GB ? ?
Storage 128 GB * 128 GB 32 GB * ? raw hardware ? raw hardware
Main Camera 48 megapixel 16 megapixel 13 megapixel 1 megapixel 1 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)
7.23 oz
(205g)
5.64 oz
(160g)
3.63 oz
(103g)
2.47 oz
(70g)
Dimensions 6.76" x 3.09" x 0.38"
(172 x 79 x 9.7 mm)
3.7" x 2.83" x 0.55"
(94 x 72 x 14 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
4.06" x 1.73" x 0.67"
(103 x 44 x 17 mm)
4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
Form Factor Slab Foldable Slab Clamshell Slab
Platform / OS Android 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

4G LTE: 2, 3, 4, 5, 7, 13, 20, 28, 66

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

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

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology LTE (Cat 9) LTE (Cat 15) LTE (Cat 4) EVDO r0 EVDO r0
Features 
Fingerprint Reader Yes
stand-alone
Yes
stand-alone
- - -
Flashlight Yes Yes Yes - -
GPS / Location n/a n/a Yes Yes Yes
Water-Resistant - Yes - - -
Accessibility
Hearing Aid Compatible - - Yes Yes Yes
Multiple Languages n/a n/a Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - Yes - Yes -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot n/a n/a Yes - -
NFC - Yes Yes - -
USB Yes
USB Type C
Yes
USB Type C
Yes
Micro-USB
Yes
Mini-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 n/a Yes Yes Yes
Ringer ID n/a n/a Yes Yes -
Voice Dialing n/a n/a Yes Yes Yes
Customization
Custom Graphics n/a n/a - Yes Yes
Custom Ringtones n/a n/a Yes Yes Yes
Data & Network
Data Tethering n/a n/a Yes Yes -
Dual-SIM Yes - - - -
WAP / Web Browser n/a n/a Yes Yes Yes
Input
Predictive Text Entry n/a n/a Yes Yes Yes
Side Keys Yes 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 - -
EMS / Picture Messaging n/a n/a - Yes -
Instant Messaging n/a n/a - Yes * -
MMS n/a n/a Yes Yes Yes
Text Messaging Templates n/a n/a Yes Yes -
Music
Headphone Jack (3.5mm) Yes - Yes - -
Music Player n/a n/a Yes Yes Yes
Stereo Speakers Yes - Yes - Yes
Photo & Video
Miracast - - Yes - -
TV Output Yes - Yes - -
Power
Fast Charging Yes Yes - - -
Productivity
Alarm n/a n/a Yes Yes Yes
Calculator n/a n/a Yes Yes Yes
Calendar n/a n/a Yes Yes Yes
Voice Memo n/a n/a Yes Yes Yes
Software
BREW n/a n/a - Yes * Yes
Games n/a n/a Yes Yes Yes
Java (J2ME) n/a n/a - Yes * -
Voice
HD Voice Yes Yes Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Nubia Red Magic 3 / 3S Motorola razr (2019) Amazon Fire Motorola KRZR K1m Samsung Wafer R510
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nubia Red Magic 3 / 3S Motorola razr (2019) Amazon Fire Motorola KRZR K1m Samsung Wafer R510

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