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Phone Nubia Red Magic 3 / 3S Samsung SGH-X640 Samsung Galaxy J2 / J2 Pure / J2 Dash Motorola V710
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 6.7" diag.
19.5 : 9
? 5" diag.
16 : 9
?
Display Resolution & Type 1080 x 2340 pixels
(~388 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh 90 Hz ? 60 Hz ?
Battery 5,000 mAh 800 mAh 2,600 mAh ?
Processor Qualcomm Snapdragon 855+ ? 1.4 GHz Samsung Exynos 7570 ?
RAM 8 GB * ? 2 GB ?
Storage 128 GB * ? raw hardware 16 GB ? raw hardware
Main Camera 48 megapixel Yes 8 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 4K UHD - 1080p HD ?
Front Camera 16 megapixel - 5 megapixel -
Weight 7.58 oz
(215g)
3 oz
(85g)
5.43 oz
(154g)
4.06 oz
(115g)
Dimensions 6.76" x 3.09" x 0.38"
(172 x 79 x 9.7 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.65" x 2.84" x 0.35"
(144 x 72 x 8.9 mm)
3.7" x 1.93" x 0.92"
(94 x 49 x 23.4 mm)
Form Factor Slab Clamshell Slab Clamshell
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

GSM: 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

Data Technology LTE (Cat 9) GPRS LTE (Cat 4) 1xRTT
Features 
Fingerprint Reader Yes
stand-alone
- - -
Flashlight Yes - Yes -
GPS / Location n/a - n/a Yes
Accessibility
Hearing Aid Compatible - - Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
Multiple Languages n/a Yes n/a Yes
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Extra Display - - - Yes
Connectivity
Bluetooth Yes - Yes Yes
USB Yes
USB Type C
- Yes
Micro-USB
Yes *
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID n/a Yes n/a Yes
Ringer ID n/a Yes n/a Yes
Voice Dialing n/a - n/a Yes
Customization
Custom Graphics n/a Yes n/a Yes
Custom Ringtones n/a Yes n/a Yes
Real-Music Ringers n/a - n/a Yes
Data & Network
Data Tethering n/a - 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
Capacitive
- Yes
Capacitive
-
Memory
Memory Card Slot - - Yes Yes
Messaging
Email Client n/a - n/a Yes *
EMS / Picture Messaging n/a Yes 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 -
Music Player n/a - n/a Yes
Stereo Speakers Yes - - -
Photo & Video
TV Output Yes - - -
Power
Fast Charging Yes - - -
Productivity
Alarm n/a Yes n/a Yes
Calculator n/a Yes n/a Yes
Calendar n/a Yes n/a Yes
To-Do List n/a Yes n/a -
Voice Memo n/a Yes n/a Yes
Software
BREW n/a - n/a Yes
Games n/a Yes n/a Yes
Java (J2ME) n/a Yes n/a -
Voice
HD Voice Yes - - -
Headset Jack (2.5 mm) n/a Yes n/a Yes
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Nubia Red Magic 3 / 3S Samsung SGH-X640 Samsung Galaxy J2 / J2 Pure / J2 Dash Motorola V710
  X > < X > < X > < X

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

 
Phone Nubia Red Magic 3 / 3S Samsung SGH-X640 Samsung Galaxy J2 / J2 Pure / J2 Dash Motorola V710

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