Polar M400 vs. Motorola Moto 360 (1st Gen) vs. Garmin Vivofit 4 vs. Michael Kors Access Runway vs. Amazfit GTR

 
M400
Moto 360 (1st Gen)
Vivofit 4
Access Runway
GTR
 PolarM400Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowGarminVivofit 4Remove Buy NowMichael KorsAccess RunwayRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$200$150$79.95$350$199
Release20142014201820182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 day1 year1 day24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 26088 x 88390 x 390454 x 454
Sizen/a1.56 inchesNA1.19 inches1.39 inches
Touch
Typen/aLCDNAAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP675 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWear OSBuild-in
Apps
MusicNA

All Wearables