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Phone Motorola T720 / T721 (GSM) Palm Treo 600 (GSM) LG K40 / Harmony 3 Red Hydrogen One
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 5.7" diag.
18 : 9
5.7" diag.
16 : 9
Display Resolution & Type 120 x 160 pixels
LCD (STN)
160 x 160 pixels
LCD (Color)
720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~515 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz
Battery ? ? 3,000 mAh 4,510 mAh
Processor ? ? 1.8 GHz Qualcomm Snapdragon 450 2.5 GHz Qualcomm Snapdragon 835 (MSM8998)
RAM ? ? 2 GB 6 GB
Storage ? raw hardware ? raw hardware 32 GB 128 GB *
Main Camera - Yes 13 megapixel 12 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - 1080p HD 4K UHD
Front Camera - - 5 megapixel 8 megapixel
Weight 3.56 oz
(101g)
5.92 oz
(168g)
5.11 oz
(145g)
9.63 oz
(273g)
Dimensions 3.5" x 1.87" x 0.83"
(89 x 47 x 21.1 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
6.02" x 2.83" x 0.32"
(153 x 72 x 8.1 mm)
6.54" x 3.28" x 0.39"
(166 x 83 x 10 mm)
Form Factor Clamshell Slab Slab Slab
Platform / OS (proprietary) Palm OS Android Android
Network Bands

GSM: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

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

Data Technology GPRS GPRS LTE (Cat 6) LTE (Cat 12)
Features 
Fingerprint Reader - - Yes
stand-alone
Yes
stand-alone
Flashlight - - Yes Yes
Accessibility
Hearing Aid Compatible - - Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a n/a n/a
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Extra Display Yes - - -
Connectivity
Bluetooth - - Yes Yes
Infrared (IR) - Yes - -
NFC - - Yes * Yes
USB - Yes Yes
Micro-USB
Yes
USB Type C
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID - n/a n/a n/a
Ringer ID Yes n/a n/a n/a
Voice Dialing Yes n/a n/a n/a
Customization
Changeable Body Plates Yes - - -
Custom Graphics Yes n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a
Data & Network
Data Tethering Yes n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - -
Touch Screen - Yes Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - Yes Yes Yes
Messaging
Email Client Yes n/a n/a n/a
EMS / Picture Messaging Yes n/a n/a n/a
MMS - n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a
Music
FM Radio - - Yes Yes
Headphone Jack (3.5mm) - - Yes Yes
Stereo Speakers - - - Yes
Photo & Video
DLNA - - Yes -
Power
Fast Charging - - - Yes
Productivity
Alarm Yes n/a n/a n/a
Calculator Yes n/a n/a n/a
Calendar Yes n/a n/a n/a
To-Do List - n/a n/a n/a
Voice Memo Yes n/a n/a n/a
Software
Games Yes n/a n/a n/a
Java (J2ME) Yes n/a n/a n/a
Voice
HD Voice - - Yes Yes
Headset Jack (2.5 mm) Yes n/a n/a n/a
Speaker Phone - Yes Yes Yes
  * Some versions only
  Motorola T720 / T721 (GSM) Palm Treo 600 (GSM) LG K40 / Harmony 3 Red Hydrogen One
  X > < X > < X > < X

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

 
Phone Motorola T720 / T721 (GSM) Palm Treo 600 (GSM) LG K40 / Harmony 3 Red Hydrogen One

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