Polar M600 vs. Garmin 645 Music vs. Garmin Fenix 5X vs. Fitbit Versa 2 vs. Garmin Vivosmart 4

 
M600
645 Music
Fenix 5X
Versa 2
Vivosmart 4
 PolarM600Remove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5XRemove Buy NowFitbitVersa 2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$330$450$699$199$130
Release20162018201720192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days7 daysUp to 12 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240240 x 240240 x240300 x 30048 x 128
Size1.3 inches1.2 inches1.2 inches1.34 inches0.74 inches
Touchn/a
TypeTFTMIPNAAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM10 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearBuild-in
Apps
Music

All Wearables