Polar M400 vs. Fossil Explorist vs. Garmin Vivosmart 3 vs. Apple Series 6

 
M400
Explorist
Vivosmart 3
Series 6
 PolarM400Remove Buy NowFossilExploristRemove Buy NowGarminVivosmart 3Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$255$139.99$399
Release2014201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days24 hours5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a454 x45464 x 128384 x 480
Sizen/a1.4 inchesNA40mm
Touch
Typen/aAMOLEDOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance3 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWatchOS 5
Apps
Music

All Wearables