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Phone Red Hydrogen One HTC G2 Samsung M400 HTC Merge
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 5.7" diag.
16 : 9
3.7" diag.
5 : 3
2.4" diag.
4 : 3
3.8" diag.
5 : 3
Display Resolution & Type 1440 x 2560 pixels
(~515 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~246 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? 60 Hz
Battery 4,510 mAh 1,300 mAh 1,000 mAh 1,400 mAh
Processor 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) 800 MHz Qualcomm S2 MSM7230 400 MHz Qualcomm QSC6155 800 MHz Qualcomm S2 MSM7630
RAM 6 GB ? 128 MB ?
Storage 128 GB * ? raw hardware 256 MB ? raw hardware
Main Camera 12 megapixel 5 megapixel 1 megapixel 5 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 4K UHD 720p HD - 720p HD
Front Camera 8 megapixel - - -
Weight 9.63 oz
(273g)
6.5 oz
(184g)
3.7 oz
(105g)
6.98 oz
(198g)
Dimensions 6.54" x 3.28" x 0.39"
(166 x 83 x 10 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
4.74" x 2.43" x 0.59"
(120 x 62 x 15 mm)
Form Factor Slab Slab Clamshell Slide
Platform / OS Android Android (proprietary) Android
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

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

CDMA: 800, 850, 1900

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 12) HSPA 14.4 1xRTT EVDO rA
Features 
Fingerprint Reader Yes
stand-alone
- - -
Flashlight Yes - - Yes
GPS / Location n/a n/a Yes n/a
Accessibility
Adjustable Text Size n/a n/a Yes n/a
Hearing Aid Compatible Yes Yes Yes Yes
Multiple Languages n/a n/a Yes n/a
TTY/TDD (Digital) Yes - Yes -
Alerts
Extra Display - - Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot n/a n/a - n/a
NFC Yes - - -
USB Yes
USB Type C
Yes Yes
Micro-USB
Yes
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 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
Customization
Custom Graphics n/a n/a Yes n/a
Custom Ringtones n/a n/a Yes n/a
Real-Music Ringers n/a n/a Yes n/a
Data & Network
Data Tethering n/a n/a - n/a
WAP / Web Browser n/a n/a Yes n/a
Input
Predictive Text Entry n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - 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 Yes n/a
Text Messaging Templates n/a n/a Yes n/a
Music
FM Radio Yes - - Yes
Headphone Jack (3.5mm) Yes Yes Yes Yes
Music Player n/a n/a - n/a
Stereo Speakers Yes - - -
Power
Fast Charging Yes - - -
Productivity
Alarm n/a n/a Yes n/a
Calculator n/a n/a Yes n/a
Calendar n/a n/a Yes n/a
Voice Memo n/a n/a Yes n/a
Software
Games n/a n/a Yes n/a
Voice
HD Voice Yes - - -
Speaker Phone Yes Yes Yes Yes
  Red Hydrogen One HTC G2 Samsung M400 HTC Merge
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Phone Red Hydrogen One HTC G2 Samsung M400 HTC Merge

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