Polar M400 vs. Fitbit Versa vs. Garmin Vivoactive 3 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Mobvoi TicWatch e2

 
M400
Versa
Vivoactive 3
Grayson
Grayson
TicWatch e2
 PolarM400Remove Buy NowFitbitVersaRemove Buy NowGarminVivoactive 3Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch e2Remove Buy Now

Basic Info

Suggested Price$200$199.99$299$350$350$200
Release201420182017201820182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days4 days7 days24 hours24 hours1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a300 x300240 x 240453 x 454453x454360 x 360
Sizen/a1.34 inches1.2 inches1.39 inches1.39 inches1.2 inches
Touch
Typen/aOLEDMIPAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM1 ATM1 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearWear OS
Apps
Music

All Wearables