Polar M400 vs. Garmin Vivosmart HR vs. ASUS ZenWatch 3 vs. Garmin Forerunner 935 vs. Fitbit Versa 2

 
M400
Vivosmart HR
ZenWatch 3
Forerunner 935
Versa 2
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowASUSZenWatch 3Remove Buy NowGarminForerunner 935Remove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$200$170$229$500$199
Release20142015201720172019

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days48 hoursUp to 2 weeks5 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68400 x 400240 x 240300 x 300
Sizen/a1.08 inches1.39 inches1.2 inches1.34 inches
Touch
Typen/an/aAMOLEDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Build-in
Apps
Music

All Wearables