Polar M400 vs. Mobvoi TicWatch 2 vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Michael Kors Grayson vs. Amazfit GTS

 
M400
TicWatch 2
Grayson
Charge 3
Grayson
GTS
 PolarM400Remove Buy NowMobvoiTicWatch 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$200$199$350$150$350$150
Release201420172018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days1.5-2 Days24 hours7 days24 hours14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a400 x 400453 x 45466 x 18453x454348 x 442
Sizen/a1.4 inches1.39 inches.721 inches1.39 inches1.65 inches
Touch
Typen/aOLEDAMOLEDOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP651 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTicwear OSAndroid WearNAAndroid WearWear OS
Apps
Music

All Wearables