Fitbit Flex 2 vs. Garmin Vivofit 4 vs. Garmin Vivosmart HR Plus vs. Garmin Forerunner 45 vs. Amazfit GTR

 
Flex 2
Vivofit 4
Vivosmart HR Plus
Forerunner 45
GTR
 FitbitFlex 2Remove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart HR PlusRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$79.95$179$199$199
Release20162018201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 year5 days7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a88 x 88160 x 68208 x 208454 x 454
Sizen/aNA0.5 inches x 0.8 inches1.04 inches1.39 inches
Touchn/a
TypeLEDNALCDLCDAMOLED

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/aNABuilt-inBuild-in
Apps
Music

All Wearables