Fitbit One vs. Fitbit Ionic vs. Diesel On Full Guard 2.5 vs. Garmin Forerunner 45 vs. Garmin VivoActive 4

 
One
Ionic
On Full Guard 2.5
Forerunner 45
VivoActive 4
 FitbitOneRemove Buy NowFitbitIonicRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$299$325$199$349
Release20122017201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days4+ days4 days7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250454x454208 x 208260 x 260
Sizen/a1.421.39 inches1.04 inches1.3ionches
Touch
TypeOLEDOLEDLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant50m3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSBuilt-inWear OS
Apps
Music

All Wearables