Polar M600 vs. Fitbit Charge 2 vs. LG Watch Sport vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex

 
M600
Charge 2
Watch Sport
Grayson
Grayson
T-Rex
 PolarM600Remove Buy NowFitbitCharge 2Remove Buy NowLGWatch SportRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$330$150$349$350$350$140
Release201620162016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days1.45 days24 hours24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a480 x 480453 x 454453x454360 x 360
Size1.3 inchesn/a1.38 inches1.39 inches1.39 inches1.3 inches
Touchn/an/a
TypeTFTOLEDP-OLEDAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/aIP681 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid Wear 2Android WearAndroid WearBuild-in
Apps
Music

All Wearables