Polar M600 vs. Fitbit Alta vs. Amazfit Cor vs. Michael Kors Grayson vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson

 
M600
Alta
Cor
Grayson
Access Sofie HR
Grayson
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowAmazfitCorRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$130$79.99$350$395$350
Release201620162018201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days12 days24 hours2 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a80 x 160453 x 454390 x 390453x454
Size1.3 inchesn/a1.23 inches1.39 inches1.19 inches1.39 inches
Touchn/an/a
TypeTFTOLEDIPS LCDAMOLEDOMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a5 ATM1 ATM0.3 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearWear OSAndroid Wear
Apps
Music

All Wearables