Polar M600 vs. Asus VivoWatch vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Garmin Vivosmart 4 vs. HTC re Grip

 
M600
VivoWatch
Grayson
Grayson
Vivosmart 4
re Grip
 PolarM600Remove Buy NowAsusVivoWatchRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$160$350$350$130$199
Release201620182018201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days24 hours to 10 days24 hours24 hours7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240128 x 128453 x 454453x45448 x 128160 x 32
Size1.3 inchesNA1.39 inches1.39 inches0.74 inches1.8 inches
Touchn/a
TypeTFTNAAMOLEDAMOLEDOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIPX8IP671 ATM1 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearKoodOSAndroid WearAndroid WearNA
Apps
Music

All Wearables