Polar M600 vs. Microsoft Band 2 vs. Michael Kors Grayson vs. Fitbit Charge vs. Michael Kors Grayson vs. Garmin VivoActive 4

 
M600
Band 2
Grayson
Charge
Grayson
VivoActive 4
 PolarM600Remove Buy NowMicrosoftBand 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$330$250$350$130$350$349
Release201620152018201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days48 hours (without GPS)24 hours7-10 days24 hours8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240320 x 128453 x 454NA453x454260 x 260
Size1.3 inches1.36 inches1.39 inchesNA1.39 inches1.3ionches
Touchn/aNA
TypeTFTCapacitative TFTAMOLEDOLEDAMOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IPX71 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearNAAndroid WearWear OS
Apps
Music

All Wearables