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Phone Sharp GX-10 / GX-10i Nubia Red Magic 3 / 3S BlackBerry Classic (GSM) Samsung Droid Charge Samsung SGH-X640
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Not yet released Released Released Released Released
Specifications 
Display Size ? 6.7" diag.
19.5 : 9
3.5" diag.
1 : 1
4.3" diag.
5 : 3
?
Display Resolution & Type 120 x 160 pixels
LCD (TFT/TFD)
1080 x 2340 pixels
(~388 ppi)
AMOLED
720 x 720 pixels
(~291 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~217 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? 90 Hz ? 60 Hz ?
Battery 720 mAh 5,000 mAh 2,515 mAh 1,500 mAh 800 mAh
Processor ? Qualcomm Snapdragon 855+ 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 1 GHz Samsung Hummingbird ?
RAM ? 8 GB * 2 GB ? ?
Storage ? raw hardware 128 GB * 16 GB ? raw hardware ? raw hardware
Main Camera Yes 48 megapixel 8 megapixel 8 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 4K UHD 1080p HD 720p HD -
Front Camera - 16 megapixel 2 megapixel 1 megapixel -
Weight 3.88 oz
(110g)
7.58 oz
(215g)
6.28 oz
(178g)
5.06 oz
(144g)
3 oz
(85g)
Dimensions 3.7" x 1.93" x 1.06"
(94 x 49 x 26.9 mm)
6.76" x 3.09" x 0.38"
(172 x 79 x 9.7 mm)
5.16" x 2.85" x 0.4"
(131 x 72 x 10.2 mm)
5.1" x 2.68" x 0.46"
(130 x 68 x 11.7 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
Form Factor Clamshell Slab Slab Slab Clamshell
Platform / OS (proprietary) Android BlackBerry 10 Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

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: 1, 2, 3, 4, 5, 7, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 13

CDMA: 850, 1900

GSM: 900, 1800, 1900

Data Technology GPRS LTE (Cat 9) LTE (Cat 3) LTE (Cat 3) GPRS
Features 
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight - Yes - - -
GPS / Location - n/a n/a n/a -
Accessibility
Adjustable Text Size - n/a n/a n/a -
Hearing Aid Compatible - - Yes Yes -
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) - Yes Yes Yes -
Alerts
Extra Display Yes - - - -
Ringer Profiles Yes - Yes - -
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Infrared (IR) Yes - - - -
Mobile Hotspot - n/a n/a n/a -
NFC - - Yes - -
USB - Yes
USB Type C
Yes
Micro-USB
Yes
Micro-USB
-
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 a,b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID - n/a n/a n/a Yes
Ringer ID Yes n/a n/a n/a Yes
Voice Dialing - n/a n/a n/a -
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers - n/a n/a n/a -
Data & Network
Data Tethering Yes n/a n/a n/a -
Dual-SIM - Yes - - -
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes - -
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client - n/a n/a n/a -
EMS / Picture Messaging - n/a n/a n/a Yes
Instant Messaging - n/a n/a n/a -
MMS Yes n/a n/a n/a Yes
Text Messaging Templates Yes n/a n/a n/a Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player - n/a n/a n/a -
Stereo Speakers - Yes - - -
Photo & Video
DLNA - - Yes Yes -
Miracast - - Yes - -
TV Output - Yes Yes Yes -
Video Calling - n/a n/a n/a -
Power
Fast Charging - Yes - - -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
To-Do List - n/a n/a n/a Yes
Voice Memo Yes n/a n/a n/a Yes
Software
Games Yes n/a n/a n/a Yes
Java (J2ME) - n/a n/a n/a Yes
Voice
HD Voice - Yes - - -
Headset Jack (2.5 mm) Yes n/a n/a n/a Yes
Speaker Phone - Yes Yes Yes Yes
  Sharp GX-10 / GX-10i Nubia Red Magic 3 / 3S BlackBerry Classic (GSM) Samsung Droid Charge Samsung SGH-X640
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sharp GX-10 / GX-10i Nubia Red Magic 3 / 3S BlackBerry Classic (GSM) Samsung Droid Charge Samsung SGH-X640

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