Garmin Vivoactive HR vs. Garmin 645 Music vs. Fitbit Alta HR vs. Diesel On Full Guard 2.5 vs. Fitbit Versa 2

 
Vivoactive HR
645 Music
Alta HR
On Full Guard 2.5
Versa 2
 GarminVivoactive HRRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$250$450$150$325$199
Release20162018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days7 days7 days4 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205240 x 240128 x 36454x454300 x 300
Size1.38 inches1.2 inches1.4 inches1.39 inches1.34 inches
Touch
Typen/aMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuild-in
Apps
Music

All Wearables