Garmin Fenix 3 vs. Amazfit Stratos vs. Fitbit Alta HR vs. Amazfit GTR vs. Apple Series 6

 
Fenix 3
Stratos
Alta HR
GTR
Series 6
 GarminFenix 3Remove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitGTRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$500$199$150$199$399
Release20152018201720192020

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks5 days7 days24 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218320 x 300128 x 36454 x 454384 x 480
Size1.2 inches1.34 inches1.4 inches1.39 inches40mm
Touch
TypeChroma LEDOLEDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance10 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryBuild-inWatchOS 5
Apps
Music

All Wearables