Garmin Vivosmart 3 vs. Garmin Forerunner 45 vs. Fitbit Inspire HR vs. Amazfit GTR vs. Amazfit T-Rex

 
Vivosmart 3
Forerunner 45
Inspire HR
GTR
T-Rex
 GarminVivosmart 3Remove Buy NowGarminForerunner 45Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$139.99$199$99$199$140
Release20172019201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days5 days24 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution64 x 128208 x 208139 x 60454 x 454360 x 360
SizeNA1.04 inches1.4 inches1.39 inches1.3 inches
Touch
TypeOLEDLCDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemBuilt-inFitbit OSBuild-inBuild-in
Apps
Music

All Wearables