Garmin Vivosmart HR vs. Garmin Chronos vs. Fitbit Alta HR vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
Vivosmart HR
Chronos
Alta HR
On Full Guard 2.5
T-Rex
 GarminVivosmart HRRemove Buy NowGarminChronosRemove Buy NowFitbitAlta HRRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$170$1500$150$325$140
Release20152018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days8 days7 days4 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68218 x 218128 x 36454x454360 x 360
Size1.08 inches1.2 inches1.4 inches1.39 inches1.3 inches
Touch
Typen/aMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWear OSBuild-in
Apps
Music

All Wearables