Polar M400 vs. Microsoft Band 2 vs. Garmin Vivofit 4 vs. Michael Kors Access Runway vs. Mobvoi TicWatch S2

 
M400
Band 2
Vivofit 4
Access Runway
TicWatch S2
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowGarminVivofit 4Remove Buy NowMichael KorsAccess RunwayRemove Buy NowMobvoiTicWatch S2Remove Buy Now

Basic Info

Suggested Price$200$250$79.95$350$180
Release20142015201820182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)1 year1 day2 DAYS
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 12888 x 88390 x 390400 x 400
Sizen/a1.36 inchesNA1.19 inches1.39 inches
Touch
Typen/aCapacitative TFTNAAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX75 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSWear OS
Apps
Music

All Wearables