Garmin Vivoactive HR vs. Garmin Vivofit 4 vs. Garmin Forerunner 45 vs. Amazfit GTR vs. Apple Series 6

 
Vivoactive HR
Vivofit 4
Forerunner 45
GTR
Series 6
 GarminVivoactive HRRemove Buy NowGarminVivofit 4Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$250$79.95$199$199$399
Release20162018201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days1 year7 days24 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 20588 x 88208 x 208454 x 454384 x 480
Size1.38 inchesNA1.04 inches1.39 inches40mm
Touch
Typen/aNALCDAMOLEDMicroLED

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/aBuilt-inBuild-inWatchOS 5
Apps
Music

All Wearables