Garmin Vivoactive vs. Fitbit Charge 2 vs. Garmin 645 Music vs. Fitbit Charge HR vs. Amazfit GTR

 
Vivoactive
Charge 2
645 Music
Charge HR
GTR
 GarminVivoactiveRemove Buy NowFitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$250$150$450$150$199
Release20152016201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days5 days7 days5 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution205 x 148n/a240 x 240NA454 x 454
Size1.38 inchesn/a1.2 inchesNA1.39 inches
Touchn/aNA
TypeLCDOLEDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNABuild-in
Apps
Music

All Wearables