Fitbit Flex 2 vs. Garmin 645 Music vs. Garmin Fenix 5x Plus vs. Garmin Vivoactive 3 vs. Amazfit GTR

 
Flex 2
645 Music
Fenix 5x Plus
Vivoactive 3
GTR
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5x PlusRemove Buy NowGarminVivoactive 3Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$450$850$299$199
Release20162018201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days20 days7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240240 x 240240 x 240454 x 454
Sizen/a1.2 inches1.2 inches1.2 inches1.39 inches
Touchn/a
TypeLEDMIPMIPMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM10 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuild-in
Apps
Music

All Wearables