Fitbit Ionic vs. Amazfit Cor vs. Diesel On Full Guard vs. Garmin Forerunner 45 vs. Garmin VivoActive 4

 
Ionic
Cor
On Full Guard
Forerunner 45
VivoActive 4
 FitbitIonicRemove Buy NowAmazfitCorRemove Buy NowDieselOn Full GuardRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$299$79.99$325$199$349
Release20172018201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days12 days1 day7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x25080 x 160454 x 454208 x 208260 x 260
Size1.421.23 inches1.4 inches1.04 inches1.3ionches
Touch
TypeOLEDIPS LCDOMOLEDLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid Wear 2.0Built-inWear OS
Apps
Music

All Wearables