Polar M400 vs. Garmin Vivosmart HR vs. Mobvoi TicWatch E vs. Garmin Vivofit 4 vs. Mobvoi TicWatch S2

 
M400
Vivosmart HR
TicWatch E
Vivofit 4
TicWatch S2
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowMobvoiTicWatch ERemove Buy NowGarminVivofit 4Remove Buy NowMobvoiTicWatch S2Remove Buy Now

Basic Info

Suggested Price$200$170$159$79.95$180
Release20142015201720182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days1.5-2 days1 year2 DAYS
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68400 x 40088 x 88400 x 400
Sizen/a1.08 inches1.4 inchesNA1.39 inches
Touch
Typen/an/aOLEDNAOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Wear OS
Apps
Music

All Wearables