Fitbit Charge 2 vs. Garmin 645 Music vs. Diesel On Full Guard 2.5 vs. Amazfit GTR vs. Garmin VivoActive 4

 
Charge 2
645 Music
On Full Guard 2.5
GTR
VivoActive 4
 FitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitGTRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$150$450$325$199$349
Release20162018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days4 days24 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240454x454454 x 454260 x 260
Sizen/a1.2 inches1.39 inches1.39 inches1.3ionches
Touchn/a
TypeOLEDMIPAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuild-inWear OS
Apps
Music

All Wearables