Garmin Vivoactive HR vs. Fitbit Flex 2 vs. Amazfit Stratos vs. Garmin Vivofit 4 vs. Garmin Forerunner 45

 
Vivoactive HR
Flex 2
Stratos
Vivofit 4
Forerunner 45
 GarminVivoactive HRRemove Buy NowFitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowGarminVivofit 4Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$250$100$199$79.95$199
Release20162016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days5 days5 days1 year7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution148 x 205n/a320 x 30088 x 88208 x 208
Size1.38 inchesn/a1.34 inchesNA1.04 inches
Touchn/a
Typen/aLEDOLEDNALCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietaryBuilt-in
Apps
Music

All Wearables