Polar M600 vs. Michael Kors Grayson vs. Fitbit Charge vs. Michael Kors Grayson vs. Mobvoi TicWatch C2 vs. Garmin Vivosmart 4

 
M600
Grayson
Charge
Grayson
TicWatch C2
Vivosmart 4
 PolarM600Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch C2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$330$350$130$350$200$130
Release201620182014201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days24 hours7-10 days24 hours2 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240453 x 454NA453x454360 x 36048 x 128
Size1.3 inches1.39 inchesNA1.39 inches1.3 inches0.74 inches
Touchn/aNA
TypeTFTAMOLEDOLEDAMOLEDAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX81 ATM1 ATM1 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid WearNAAndroid WearWear OS
Apps
Music

All Wearables