Garmin Vivosmart HR vs. Diesel On Full Guard vs. Garmin Vivosmart 3 vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
Vivosmart HR
On Full Guard
Vivosmart 3
Forerunner 45
T-Rex
 GarminVivosmart HRRemove Buy NowDieselOn Full GuardRemove Buy NowGarminVivosmart 3Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$170$325$139.99$199$140
Release20152017201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day5 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68454 x 45464 x 128208 x 208360 x 360
Size1.08 inches1.4 inchesNA1.04 inches1.3 inches
Touch
Typen/aOMOLEDOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0Built-inBuild-in
Apps
Music

All Wearables