Garmin Vivosmart vs. Fitbit Ionic vs. Garmin Forerunner 45 vs. Garmin Vivosmart 4 vs. Apple Series 6

 
Vivosmart
Ionic
Forerunner 45
Vivosmart 4
Series 6
 GarminVivosmartRemove Buy NowFitbitIonicRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivosmart 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$170$299$199$130$399
Release20142017201920182020

Activity & Fitness

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

Battery

Duration7 days4+ days7 days7 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 16348x250208 x 20848 x 128384 x 480
Size1.41 inches1.421.04 inches0.74 inches40mm
Touch
TypeOLEDOLEDLCDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM50m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSBuilt-inWatchOS 5
Apps
Music

All Wearables