Polar M600 vs. Fossil Explorist vs. Garmin 645 Music vs. Garmin Vivosmart 4

 
M600
Explorist
645 Music
Vivosmart 4
 PolarM600Remove Buy NowFossilExploristRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$330$255$450$130
Release2016201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days24 hours7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240454 x454240 x 24048 x 128
Size1.3 inches1.4 inches1.2 inches0.74 inches
Touchn/a
TypeTFTAMOLEDMIPOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearWear OS
Apps
Music

All Wearables