Garmin Fenix 3 vs. Polar M400 vs. Amazfit Stratos vs. Fitbit Alta HR vs. Fitbit Sense 2

 
Fenix 3
M400
Stratos
Alta HR
Sense 2
 GarminFenix 3Remove Buy NowPolarM400Remove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$500$200$199$150$300
Release20152014201820172022

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks8 hours to 30 days5 days7 days6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218n/a320 x 300128 x 36336x336
Size1.2 inchesn/a1.34 inches1.4 inches1.59 inches
Touch
TypeChroma LEDn/aOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietary
Apps
Music

All Wearables