Fitbit Charge 2 vs. Fitbit Ionic vs. Garmin Vivosmart 3 vs. Garmin Forerunner 45 vs. Garmin VivoActive 4

 
Charge 2
Ionic
Vivosmart 3
Forerunner 45
VivoActive 4
 FitbitCharge 2Remove Buy NowFitbitIonicRemove Buy NowGarminVivosmart 3Remove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$150$299$139.99$199$349
Release20162017201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days5 days7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x25064 x 128208 x 208260 x 260
Sizen/a1.42NA1.04 inches1.3ionches
Touchn/a
TypeOLEDOLEDOLEDLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSBuilt-inWear OS
Apps
Music

All Wearables