Polar M600 vs. Garmin Vivosmart HR vs. Garmin Vivoactive 3 vs. Fitbit Flex vs. Apple Watch Series 4

 
M600
Vivosmart HR
Vivoactive 3
Flex
Watch Series 4
 PolarM600Remove Buy NowGarminVivosmart HRRemove Buy NowGarminVivoactive 3Remove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$330$170$299$100$329
Release20162015201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days7 days5 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240160 x 68240 x 240NA384 x 480
Size1.3 inches1.08 inches1.2 inchesNA1.78 inches
Touchn/aNA
TypeTFTn/aMIPLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATM1 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNAWatch OS 5
Apps
Music

All Wearables