Garmin Vivoactive HR vs. Fitbit Ionic vs. Garmin Forerunner 45 vs. Garmin Vivosmart 4 vs. Amazfit GTS

 
Vivoactive HR
Ionic
Forerunner 45
Vivosmart 4
GTS
 GarminVivoactive HRRemove Buy NowFitbitIonicRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$250$299$199$130$150
Release20162017201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days4+ days7 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205348x250208 x 20848 x 128348 x 442
Size1.38 inches1.421.04 inches0.74 inches1.65 inches
Touch
Typen/aOLEDLCDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSBuilt-inWear OS
Apps
Music

All Wearables