Garmin Vivofit 3 vs. Amazfit Stratos vs. Garmin Forerunner 45 vs. Garmin Vivosmart 4 vs. Apple Series 6

 
Vivofit 3
Stratos
Forerunner 45
Vivosmart 4
Series 6
 GarminVivofit 3Remove Buy NowAmazfitStratosRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivosmart 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$199$199$130$399
Release20162018201920182020

Activity & Fitness

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

Battery

Duration1 year5 days7 days7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution64 x 64320 x 300208 x 20848 x 128384 x 480
Size0.55 inches1.34 inches1.04 inches0.74 inches40mm
Touch
Typen/aOLEDLCDOLEDMicroLED

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/aProprietaryBuilt-inWatchOS 5
Apps
Music

All Wearables