Garmin Forerunner 225 vs. Polar M600 vs. Fitbit Alta vs. Garmin Vivosmart HR vs. Garmin VivoActive 4

 
Forerunner 225
M600
Alta
Vivosmart HR
VivoActive 4
 GarminForerunner 225Remove Buy NowPolarM600Remove Buy NowFitbitAltaRemove Buy NowGarminVivosmart HRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$300$330$130$170$349
Release20152016201620152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks2 days5 days5 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180240 x 240n/a160 x 68260 x 260
Size1 inch1.3 inchesn/a1.08 inches1.3ionches
Touchn/an/a
Typen/aTFTOLEDn/aMIP

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX8n/a5 ATM5 ATM

Notifications

Phonen/a
Emailsn/an/a
Textsn/a

Software

Operating Systemn/aAndroid Wearn/an/aWear OS
Appsn/a
Musicn/a

All Wearables