Garmin Vivoactive vs. Garmin Vivoactive HR vs. Fitbit Charge 2 vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
Vivoactive
Vivoactive HR
Charge 2
On Full Guard 2.5
T-Rex
 GarminVivoactiveRemove Buy NowGarminVivoactive HRRemove Buy NowFitbitCharge 2Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$250$150$325$140
Release20152016201620182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days13 hours to 8 days5 days4 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution205 x 148148 x 205n/a454x454360 x 360
Size1.38 inches1.38 inchesn/a1.39 inches1.3 inches
Touchn/a
TypeLCDn/aOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMn/a3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWear OSBuild-in
Apps
Music

All Wearables