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Phone Motorola Moto z4 Motorola KRZR K1 Motorola Sidekick Slide HTC Desire 555
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 6.4" diag.
19.5 : 9
? ? 5" diag.
16 : 9
Display Resolution & Type 1080 x 2340 pixels
(~403 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz
Battery 3,600 mAh 780 mAh ? 2,200 mAh
Processor 2 GHz Qualcomm Snapdragon 675 ? 225 MHz TI OMAP 850 1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM 4 GB ? ? 2 GB
Storage 128 GB ? raw hardware ? raw hardware 16 GB
Main Camera 48 megapixel 2 megapixel 1 megapixel 8 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 4K UHD ? - 720p HD
Front Camera 25 megapixel - - 5 megapixel
Weight 6 oz
(170g)
3.6 oz
(102g)
5.3 oz
(150g)
4.93 oz
(140g)
Dimensions 6.22" x 2.96" x 0.29"
(158 x 75 x 7.4 mm)
4.05" x 1.65" x 0.63"
(103 x 42 x 16 mm)
4.65" x 2.44" x 0.69"
(118 x 62 x 17.5 mm)
5.78" x 2.79" x 0.33"
(147 x 71 x 8.4 mm)
Form Factor Slab Clamshell Slide Slab
Platform / OS Android (proprietary) (proprietary) Android
Network Bands

4G LTE: 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 28, 29, 30, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 12) EDGE EDGE LTE (Cat 4)
Features 
Fingerprint Reader Yes - - -
Flashlight Yes - - Yes
Water-Resistant Yes - - -
Accessibility
Adjustable Text Size n/a - Yes n/a
Hearing Aid Compatible Yes - - Yes *
Multiple Languages n/a Yes - n/a
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
Yes
Classic Audio
NFC Yes - - -
USB Yes
USB Type C
Yes Yes Yes
Micro-USB
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a Yes Yes n/a
Ringer ID n/a Yes Yes n/a
Voice Dialing n/a Yes - n/a
Customization
Custom Graphics n/a Yes Yes n/a
Custom Ringtones n/a Yes Yes n/a
Real-Music Ringers n/a - Yes n/a
Data & Network
Data Tethering n/a Yes - n/a
WAP / Web Browser n/a Yes Yes n/a
Input
Predictive Text Entry n/a Yes - n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes -
Touch Screen Yes - - Yes
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client n/a Yes Yes n/a
EMS / Picture Messaging n/a Yes - n/a
Instant Messaging n/a - Yes n/a
MMS n/a Yes Yes n/a
Text Messaging Templates n/a Yes - n/a
Music
FM Radio Yes - - Yes
Headphone Jack (3.5mm) Yes - - Yes
Music Player n/a Yes Yes n/a
Photo & Video
DLNA - - - Yes
Miracast - - - Yes
Power
Fast Charging Yes - - -
Productivity
Alarm n/a Yes Yes n/a
Calculator n/a Yes - n/a
Calendar n/a Yes Yes n/a
To-Do List n/a - Yes n/a
Voice Memo n/a Yes - n/a
Software
Games n/a Yes Yes n/a
Java (J2ME) n/a Yes Yes n/a
Voice
HD Voice Yes - - Yes
Headset Jack (2.5 mm) n/a - Yes n/a
Push-To-Talk - Yes * - -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Motorola Moto z4 Motorola KRZR K1 Motorola Sidekick Slide HTC Desire 555
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Motorola Moto z4 Motorola KRZR K1 Motorola Sidekick Slide HTC Desire 555

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