Garmin Fenix 3 vs. Fitbit Alta vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex vs. Fitbit Sense 2

 
Fenix 3
Alta
On Full Guard 2.5
T-Rex
Sense 2
 GarminFenix 3Remove Buy NowFitbitAltaRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$500$130$325$140$300
Release20152016201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration50 hours to 6 weeks5 days4 days20 days6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218n/a454x454360 x 360336x336
Size1.2 inchesn/a1.39 inches1.3 inches1.59 inches
Touchn/a
TypeChroma LEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATMn/a3 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWear OSBuild-in
Apps
Music

All Wearables