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Phone Kyocera Coast / Kona Samsung SGH-P705 Nubia Red Magic 3 / 3S BlackBerry 7750 Samsung Knack U310
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Not yet released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
? 6.7" diag.
19.5 : 9
? 2.2" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
1080 x 2340 pixels
(~388 ppi)
AMOLED
240 x 240 pixels
LCD (Color)
176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 90 Hz ? ?
Battery 870 mAh ? 5,000 mAh ? 1,000 mAh
Processor 480 MHz Qualcomm QSC6155 ? Qualcomm Snapdragon 855+ ? ?
RAM 128 MB ? 8 GB * ? ?
Storage 256 MB ? raw hardware 128 GB * ? raw hardware ? raw hardware
Main Camera 2 megapixel - 48 megapixel - -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 4K UHD - -
Front Camera - - 16 megapixel - -
Weight 3.7 oz
(105g)
4.59 oz
(130g)
7.58 oz
(215g)
5.01 oz
(142g)
3.63 oz
(103g)
Dimensions 3.94" x 2.05" x 0.68"
(100 x 52 x 17.3 mm)
3.62" x 2.01" x 1.04"
(92 x 51 x 26.4 mm)
6.76" x 3.09" x 0.38"
(172 x 79 x 9.7 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
3.78" x 2.01" x 0.74"
(96 x 51 x 18.8 mm)
Form Factor Clamshell Clamshell Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) Android BlackBerry OS (proprietary)
Network Bands

CDMA: 800, 850, 1700, 1900

*

GSM: 900, 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

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology 1xRTT GPRS LTE (Cat 9) 1xRTT -
Features 
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes - -
GPS / Location Yes - n/a n/a Yes
Accessibility
Adjustable Text Size Yes - n/a n/a Yes
Hearing Aid Compatible Yes - - - Yes
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display Yes Yes - - Yes
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes - Yes - -
Infrared (IR) - Yes - - -
USB Yes
Micro-USB
- Yes
USB Type C
Yes -
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID Yes - n/a n/a -
Ringer ID Yes - n/a n/a -
Voice Dialing Yes - n/a n/a Yes
Customization
Custom Graphics Yes Yes n/a n/a -
Custom Ringtones Yes Yes n/a n/a -
Real-Music Ringers Yes - n/a n/a -
Data & Network
Dual-SIM - - Yes - -
WAP / Web Browser Yes Yes n/a n/a -
Input
Predictive Text Entry Yes Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes Yes -
Touch Screen - - Yes - -
Messaging
Email Client - Yes n/a n/a -
EMS / Picture Messaging - Yes n/a n/a Yes
MMS Yes Yes n/a n/a -
Text Messaging Templates Yes Yes n/a n/a -
Music
Headphone Jack (3.5mm) Yes - Yes - -
Stereo Speakers - - Yes - -
Photo & Video
TV Output - - Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List - Yes n/a n/a -
Voice Memo Yes Yes n/a n/a -
Software
Games Yes Yes n/a n/a -
Java (J2ME) Yes Yes n/a n/a -
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) - Yes n/a n/a Yes
Speaker Phone Yes - Yes - Yes
  Kyocera Coast / Kona Samsung SGH-P705 Nubia Red Magic 3 / 3S BlackBerry 7750 Samsung Knack U310
  X > < X > < X > < X > < X

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

 
Phone Kyocera Coast / Kona Samsung SGH-P705 Nubia Red Magic 3 / 3S BlackBerry 7750 Samsung Knack U310

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