Garmin Fenix 3 vs. Fitbit Charge vs. Garmin Forerunner 45 vs. Garmin Instinct vs. Amazfit T-Rex

 
Fenix 3
Charge
Forerunner 45
Instinct
T-Rex
 GarminFenix 3Remove Buy NowFitbitChargeRemove Buy NowGarminForerunner 45Remove Buy NowGarminInstinctRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$500$130$199$300$140
Release20152014201920182019

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks7-10 days7 days14 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218NA208 x 208128 x 128360 x 360
Size1.2 inchesNA1.04 inches0.9 inches1.3 inches
TouchNA
TypeChroma LEDOLEDLCDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM1 ATM5 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuilt-inBuild-in
Apps
Music

All Wearables