Garmin Forerunner 225 vs. Polar M400 vs. Fitbit Charge 2 vs. Garmin Vivosmart vs. Garmin Chronos

 
Forerunner 225
M400
Charge 2
Vivosmart
Chronos
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowFitbitCharge 2Remove Buy NowGarminVivosmartRemove Buy NowGarminChronosRemove Buy Now

Basic Info

Suggested Price$300$200$150$170$1500
Release20152014201620142018

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days5 days7 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 180n/an/a128 x 16218 x 218
Size1 inchn/an/a1.41 inches1.2 inches
Touchn/a
Typen/an/aOLEDOLEDMIP

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMn/a5 ATM10 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables