Polar M600 vs. Garmin Vivosmart HR vs. Michael Kors Grayson vs. Sony SmartBand vs. Michael Kors Grayson vs. HTC re Grip

 
M600
Vivosmart HR
Grayson
SmartBand
Grayson
re Grip
 PolarM600Remove Buy NowGarminVivosmart HRRemove Buy NowMichael KorsGraysonRemove Buy NowSonySmartBandRemove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$170$350$100$350$199
Release201620152018201420182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days24 hours5 days24 hours5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution240 x 240160 x 68453 x 454NA453x454160 x 32
Size1.3 inches1.08 inches1.39 inchesNA1.39 inches1.8 inches
Touchn/aNA
TypeTFTn/aAMOLEDNAAMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM1 ATMIP581 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearNAAndroid WearNA
Apps
Music

All Wearables