Garmin Vivoactive HR vs. Polar M600 vs. Garmin 645 Music vs. Garmin VivoActive 4 vs. Fitbit Sense 2

 
Vivoactive HR
M600
645 Music
VivoActive 4
Sense 2
 GarminVivoactive HRRemove Buy NowPolarM600Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivoActive 4Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$250$330$450$349$300
Release20162016201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days2 days7 days8 days6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205240 x 240240 x 240260 x 260336x336
Size1.38 inches1.3 inches1.2 inches1.3ionches1.59 inches
Touchn/a
Typen/aTFTMIPMIPAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX85 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWear OS
Apps
Music

All Wearables