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Phone Nubia Red Magic 3 / 3S Samsung SCH-A990 Nokia Lumia 635 (CDMA) Samsung Galaxy Stratosphere II Samsung Galaxy S10e
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
? 4.5" diag.
16 : 9
4" diag.
5 : 3
5.8" diag.
19 : 9
Display Resolution & Type 1080 x 2340 pixels
(~388 ppi)
AMOLED
240 x 320 pixels
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
AMOLED
1080 x 2280 pixels
(~435 ppi)
AMOLED
Display Refresh 90 Hz ? ? 60 Hz 60 Hz
Battery 5,000 mAh 1,000 mAh 1,830 mAh 1,800 mAh 3,100 mAh
Processor Qualcomm Snapdragon 855+ ? 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) 1.2 GHz Qualcomm Snapdragon S4 Plus MSM8960 2.8 GHz Qualcomm Snapdragon 855
RAM 8 GB * ? 512 MB 1 GB 6 GB *
Storage 128 GB * ? raw hardware 8 GB 8 GB 128 GB *
Main Camera 48 megapixel 3 megapixel 5 megapixel 5 megapixel 12 megapixel
Wide Camera - - - - 16 megapixel
Tele Camera - - - - -
Video Capture 4K UHD ? 720p HD 720p HD 4K UHD
Front Camera 16 megapixel - - 1 megapixel 10 megapixel
Weight 7.58 oz
(215g)
4.4 oz
(125g)
4.73 oz
(134g)
5.43 oz
(154g)
5.29 oz
(150g)
Dimensions 6.76" x 3.09" x 0.38"
(172 x 79 x 9.7 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
5.1" x 2.63" x 0.36"
(130 x 67 x 9.1 mm)
4.97" x 2.58" x 0.53"
(126 x 66 x 13.5 mm)
5.6" x 2.75" x 0.31"
(142 x 70 x 7.9 mm)
Form Factor Slab Clamshell Slab Slide Slab
Platform / OS Android (proprietary) Windows Android Android
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: 25, 26, 41

WCDMA: 1, 2, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 13

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 9) EVDO r0 LTE (Cat 3) LTE (Cat 3) LTE (Cat 20)
Features 
Barometer - - - - Yes
Fingerprint Reader Yes
stand-alone
- - - Yes
stand-alone
Flashlight Yes Yes - - Yes
GPS / Location n/a Yes n/a n/a n/a
VR-ready - - - - Yes
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size n/a - n/a n/a n/a
Hearing Aid Compatible - Yes Yes Yes Yes
Multiple Languages n/a Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
MirrorLink - - - - Yes
Mobile Hotspot n/a - n/a n/a n/a
NFC - - - Yes Yes
USB Yes
USB Type C
Yes Yes
Micro-USB
Yes Yes
USB Type C
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
Yes
4 (802.11 a,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID n/a Yes n/a n/a n/a
Ringer ID n/a Yes n/a n/a n/a
Voice Dialing n/a Yes n/a n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a n/a
Custom Ringtones n/a Yes n/a n/a n/a
Real-Music Ringers n/a Yes n/a n/a n/a
Data & Network
Data Tethering n/a Yes n/a n/a n/a
Dual-SIM Yes - - - Yes *
WAP / Web Browser n/a Yes n/a n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes - Yes Yes Yes
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client n/a - n/a n/a n/a
EMS / Picture Messaging n/a Yes n/a n/a n/a
Instant Messaging n/a - n/a n/a n/a
MMS n/a Yes n/a n/a n/a
Text Messaging Templates n/a Yes n/a n/a n/a
Music
FM Radio - - Yes - Yes
Headphone Jack (3.5mm) Yes - Yes Yes Yes
Music Player n/a Yes n/a n/a n/a
Stereo Speakers Yes Yes - - Yes
Photo & Video
DLNA - - Yes Yes -
Miracast - - - - Yes
TV Output Yes Yes - - Yes
Power
Fast Charging Yes - - - Yes
Wireless Charging - - - - Yes
Productivity
Alarm n/a Yes n/a n/a n/a
Calculator n/a Yes n/a n/a n/a
Calendar n/a Yes n/a n/a n/a
To-Do List n/a - n/a n/a n/a
Voice Memo n/a Yes n/a n/a n/a
Software
BREW n/a Yes n/a n/a n/a
Games n/a Yes n/a n/a n/a
Voice
HD Voice Yes - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Nubia Red Magic 3 / 3S Samsung SCH-A990 Nokia Lumia 635 (CDMA) Samsung Galaxy Stratosphere II Samsung Galaxy S10e
  X > < X > < X > < X > < X

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

 
Phone Nubia Red Magic 3 / 3S Samsung SCH-A990 Nokia Lumia 635 (CDMA) Samsung Galaxy Stratosphere II Samsung Galaxy S10e

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