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

 
M400
Versa
Grayson
Vivosmart 3
Grayson
TicWatch e2
 PolarM400Remove Buy NowFitbitVersaRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 3Remove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch e2Remove Buy Now

Basic Info

Suggested Price$200$199.99$350$139.99$350$200
Release201420182018201720182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days4 days24 hours5 days24 hours1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a300 x300453 x 45464 x 128453x454360 x 360
Sizen/a1.34 inches1.39 inchesNA1.39 inches1.2 inches
Touch
Typen/aOLEDAMOLEDOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearWear OS
Apps
Music

All Wearables