Garmin Vivosmart HR vs. Amazfit Stratos vs. Garmin Vivofit 4 vs. Amazfit GTR vs. Apple Series 6

 
Vivosmart HR
Stratos
Vivofit 4
GTR
Series 6
 GarminVivosmart HRRemove Buy NowAmazfitStratosRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitGTRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$170$199$79.95$199$399
Release20152018201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 year24 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68320 x 30088 x 88454 x 454384 x 480
Size1.08 inches1.34 inchesNA1.39 inches40mm
Touch
Typen/aOLEDNAAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryBuild-inWatchOS 5
Apps
Music

All Wearables