Garmin Vivosmart HR vs. Amazfit Stratos vs. Fitbit Charge vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
Vivosmart HR
Stratos
Charge
On Full Guard 2.5
T-Rex
 GarminVivosmart HRRemove Buy NowAmazfitStratosRemove Buy NowFitbitChargeRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$170$199$130$325$140
Release20152018201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7-10 days4 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68320 x 300NA454x454360 x 360
Size1.08 inches1.34 inchesNA1.39 inches1.3 inches
TouchNA
Typen/aOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNAWear OSBuild-in
Apps
Music

All Wearables