Polar M600 vs. Michael Kors Grayson vs. Garmin Forerunner 45 vs. Michael Kors Grayson vs. Fitbit Inspire HR vs. Amazfit GTR

 
M600
Grayson
Forerunner 45
Grayson
Inspire HR
GTR
 PolarM600Remove Buy NowMichael KorsGraysonRemove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$330$350$199$350$99$199
Release201620182019201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days24 hours7 days24 hours5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240453 x 454208 x 208453x454139 x 60454 x 454
Size1.3 inches1.39 inches1.04 inches1.39 inches1.4 inches1.39 inches
Touchn/a
TypeTFTAMOLEDLCDAMOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX81 ATM5 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid WearBuilt-inAndroid WearFitbit OSBuild-in
Apps
Music

All Wearables