Polar M430 vs. Garmin 645 Music vs. Garmin Vivosmart HR Plus vs. Diesel On Full Guard 2.5 vs. HTC re Grip

 
M430
645 Music
Vivosmart HR Plus
On Full Guard 2.5
re Grip
 PolarM430Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart HR PlusRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$255$450$179$325$199
Release20172018201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours7 days5 days4 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128240 x 240160 x 68454x454160 x 32
Size1.4 inch1.2 inches0.5 inches x 0.8 inches1.39 inches1.8 inches
Touch
TypeLCDMIPLCDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM5 ATM3 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWear OSNA
Apps
Music

All Wearables