Garmin Vivoactive HR vs. Polar M400 vs. Fitbit Alta vs. Apple Watch Series 2 vs. Michael Kors Access Sofie HR

 
Vivoactive HR
M400
Alta
Watch Series 2
Access Sofie HR
 GarminVivoactive HRRemove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$250$200$130$269$395
Release20162014201620162019

Activity & Fitness

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

Battery

Duration13 hours to 8 days8 hours to 30 days5 days18 hours2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205n/an/a340 x 272 or 390 x 312390 x 390
Size1.38 inchesn/an/a1.5 inches or 1.65 inches1.19 inches
Touchn/a
Typen/an/aOLEDAMOLEDOMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMn/a5ATM0.3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aWatch OSWear OS
Apps
Music

All Wearables