Polar M400 vs. Garmin Vivosmart HR vs. Michael Kors Access Sofie vs. Motorola Moto 360 (1st Gen) vs. Apple Watch 8

 
M400
Vivosmart HR
Access Sofie
Moto 360 (1st Gen)
Watch 8
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowMichael KorsAccess SofieRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$200$170$395$150$499
Release20142015201720142022

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days1 day1 day18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68390 x 390 1.19 inches320 x 260340 x 272 or 390 x 312
Sizen/a1.08 inches1.56 inches1.5 inches or 1.65 inches
TouchAMOLDED
Typen/an/aLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Android WearWatchOS 9
Apps
MusicNA

All Wearables