Garmin Vivosmart HR vs. Amazfit Stratos vs. Diesel On Full Guard vs. Fitbit Charge 3 vs. Amazfit T-Rex

 
Vivosmart HR
Stratos
On Full Guard
Charge 3
T-Rex
 GarminVivosmart HRRemove Buy NowAmazfitStratosRemove Buy NowDieselOn Full GuardRemove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$170$199$325$150$140
Release20152018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 day7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution160 x 68320 x 300454 x 45466 x 18360 x 360
Size1.08 inches1.34 inches1.4 inches.721 inches1.3 inches
Touch
Typen/aOLEDOMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryAndroid Wear 2.0NABuild-in
Apps
Music

All Wearables