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Phone Red Hydrogen One Samsung Galaxy Note 4 (CDMA) Samsung SPH-N270 (Matrix Phone) Coolpad Defiant Ericsson R520
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5.7" diag.
16 : 9
5.7" diag.
16 : 9
? 5" diag.
16 : 9
?
Display Resolution & Type 1440 x 2560 pixels
(~515 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~515 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
?
Display Refresh 60 Hz 60 Hz ? 60 Hz ?
Battery 4,510 mAh 3,220 mAh 1,000 mAh 2,450 mAh ?
Processor 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) 2.7 GHz Qualcomm Snapdragon 805 ? 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) ?
RAM 6 GB 3 GB ? 1 GB ?
Storage 128 GB * 32 GB ? raw hardware 8 GB ? raw hardware
Main Camera 12 megapixel 16 megapixel - 5 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 4K UHD 4K UHD - 720p HD -
Front Camera 8 megapixel 4 megapixel - 2 megapixel -
Weight 9.63 oz
(273g)
6.21 oz
(176g)
4.66 oz
(132g)
6.5 oz
(184g)
4.23 oz
(120g)
Dimensions 6.54" x 3.28" x 0.39"
(166 x 83 x 10 mm)
6.04" x 3.09" x 0.33"
(154 x 79 x 8.5 mm)
4.53" x 2.28" x 0.79"
(115 x 58 x 20.1 mm)
5.69" x 2.81" x 0.4"
(145 x 71 x 10.2 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
Form Factor Slab Slab Slide Slab Slab
Platform / OS Android Android (proprietary) Android (proprietary)
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8, 19

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 4, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology LTE (Cat 12) LTE (Cat 4) - LTE (Cat 4) GPRS
Features 
Fingerprint Reader Yes
stand-alone
Yes - - -
Flashlight Yes Yes - Yes -
GPS / Location n/a n/a Yes n/a -
Accessibility
Adjustable Text Size n/a n/a - n/a -
Hearing Aid Compatible Yes Yes - Yes -
Multiple Languages n/a n/a Yes n/a Yes
TTY/TDD (Digital) Yes Yes - Yes -
Alerts
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
-
Yes
Classic Audio
Yes
HSP, Sync, OPP, DUN
Infrared (IR) - Yes - - Yes
MirrorLink - Yes - - -
Mobile Hotspot n/a n/a - n/a -
NFC Yes Yes - - -
USB Yes
USB Type C
Yes
Micro-USB
- Yes
Micro-USB
-
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID n/a n/a Yes n/a -
Ringer ID n/a n/a Yes n/a -
Voice Dialing n/a n/a Yes n/a Yes
Customization
Custom Graphics n/a n/a - n/a -
Custom Ringtones n/a n/a - n/a Yes
Real-Music Ringers n/a n/a - n/a -
Data & Network
Data Tethering n/a n/a - n/a Yes
WAP / Web Browser n/a n/a - n/a Yes
Input
Predictive Text Entry n/a n/a Yes n/a Yes
Side Keys Yes Yes - Yes Yes
Stylus - Yes - - -
Touch Screen Yes Yes - Yes -
Memory
Memory Card Slot Yes Yes - Yes -
Messaging
Email Client n/a n/a - n/a -
Instant Messaging n/a n/a - n/a -
MMS n/a n/a - n/a -
Text Messaging Templates 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
TV Output - Yes - - -
Power
Fast Charging Yes Yes - - -
Productivity
Alarm n/a n/a Yes n/a Yes
Calculator n/a n/a Yes n/a Yes
Calendar n/a n/a Yes n/a Yes
To-Do List n/a n/a Yes n/a -
Voice Memo n/a n/a Yes n/a Yes
Software
Games n/a n/a - n/a Yes
Voice
HD Voice Yes Yes - - -
Headset Jack (2.5 mm) n/a n/a Yes n/a -
Speaker Phone Yes Yes - Yes Yes
  Red Hydrogen One Samsung Galaxy Note 4 (CDMA) Samsung SPH-N270 (Matrix Phone) Coolpad Defiant Ericsson R520
  X > < X > < X > < X > < X

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

 
Phone Red Hydrogen One Samsung Galaxy Note 4 (CDMA) Samsung SPH-N270 (Matrix Phone) Coolpad Defiant Ericsson R520

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