Fitbit Ionic vs. Garmin Forerunner 45 vs. Amazfit T-Rex vs. Fitbit Inspire 3

 
Ionic
Forerunner 45
T-Rex
Inspire 3
 FitbitIonicRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$299$199$140$100
Release2017201920192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days7 days20 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250208 x 208360 x 36032x18
Size1.421.04 inches1.3 inches46 inches
Touch
TypeOLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSBuilt-inBuild-in
Apps
Music

All Wearables