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Phone Motorola Moto z3 Samsung Galaxy Ring / Prevail 2 Huawei M750 Motorola Krave ZN4
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 6" diag.
18 : 9
4" diag.
5 : 3
2.8" diag.
4 : 3
2.8" diag.
5 : 3
Display Resolution & Type 1080 x 2160 pixels
(~402 ppi)
AMOLED
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
240 x 400 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? ?
Battery 3,000 mAh 1,750 mAh 1,150 mAh 950 mAh
Processor 2.4 GHz Qualcomm Snapdragon 835 (MSM8998) 1.4 GHz Qualcomm Snapdragon S2 MSM8655 ? ?
RAM 4 GB 1 GB ? ?
Storage 64 GB 4 GB ? raw hardware ? raw hardware
Main Camera 12 megapixel 5 megapixel 1 megapixel 2 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 4K UHD 720p HD - QVGA (320 x 240)
Front Camera 8 megapixel 1 megapixel - -
Weight 5.5 oz
(156g)
3.4 oz
(96g)
3.92 oz
(111g)
4.52 oz
(128g)
Dimensions 6.16" x 3.01" x 0.27"
(156 x 76 x 6.7 mm)
4.83" x 2.48" x 0.47"
(123 x 63 x 11.9 mm)
4.21" x 2.25" x 0.59"
(107 x 57 x 14.9 mm)
4.12" x 2.01" x 0.74"
(105 x 51 x 18.8 mm)
Form Factor Slab Slab Slab Flip
Platform / OS Android Android (proprietary) (proprietary)
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 800, 850, 1900

CDMA: 850, 1700, 1900

CDMA: 850, 1900

Data Technology LTE (Cat 16) EVDO rA 1xRTT EVDO r0
Features 
Fingerprint Reader Yes
stand-alone
- - -
Flashlight Yes - - -
GPS / Location n/a n/a Yes Yes
Water-Resistant Yes - - -
Accessibility
Adjustable Text Size n/a n/a - -
Hearing Aid Compatible Yes Yes Yes Yes
Multiple Languages n/a n/a - Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes
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 a,b,g,n)
- -
Contacts
Picture ID n/a n/a Yes Yes
Ringer ID n/a n/a Yes Yes
Voice Dialing n/a n/a - Yes
Customization
Custom Graphics n/a n/a Yes Yes
Custom Ringtones n/a n/a Yes Yes
Real-Music Ringers n/a n/a - Yes
Data & Network
Data Tethering n/a n/a - Yes
WAP / Web Browser n/a n/a Yes Yes
Input
Predictive Text Entry n/a n/a - Yes
Side Keys Yes Yes Yes Yes
Stylus - - Yes -
Touch Screen Yes Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client n/a n/a Yes Yes
EMS / Picture Messaging n/a n/a - Yes
Instant Messaging n/a n/a Yes Yes
MMS n/a n/a Yes Yes
Text Messaging Templates n/a n/a Yes Yes
Music
Headphone Jack (3.5mm) - Yes Yes Yes
Music Player n/a n/a Yes Yes
Photo & Video
DLNA Yes Yes - -
Miracast Yes - - -
Power
Fast Charging Yes - - -
Productivity
Alarm n/a n/a Yes Yes
Calculator n/a n/a Yes Yes
Calendar n/a n/a Yes Yes
Voice Memo n/a n/a Yes Yes
Software
BREW n/a n/a Yes Yes
Games n/a n/a Yes Yes
Voice
HD Voice Yes - - -
Speaker Phone Yes Yes Yes Yes
  Motorola Moto z3 Samsung Galaxy Ring / Prevail 2 Huawei M750 Motorola Krave ZN4
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Motorola Moto z3 Samsung Galaxy Ring / Prevail 2 Huawei M750 Motorola Krave ZN4

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