Garmin Vivoactive HR vs. Polar M600 vs. Garmin 645 Music vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
Vivoactive HR
M600
645 Music
On Full Guard 2.5
T-Rex
 GarminVivoactive HRRemove Buy NowPolarM600Remove Buy NowGarmin645 MusicRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$330$450$325$140
Release20162016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days2 days7 days4 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205240 x 240240 x 240454x454360 x 360
Size1.38 inches1.3 inches1.2 inches1.39 inches1.3 inches
Touchn/a
Typen/aTFTMIPAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX85 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWear OSBuild-in
Apps
Music

All Wearables