Garmin Vivoactive vs. Polar M400 vs. Garmin Vivofit 4 vs. Garmin Forerunner 45 vs. Apple Series 6

 
Vivoactive
M400
Vivofit 4
Forerunner 45
Series 6
 GarminVivoactiveRemove Buy NowPolarM400Remove Buy NowGarminVivofit 4Remove Buy NowGarminForerunner 45Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$250$200$79.95$199$399
Release20152014201820192020

Activity & Fitness

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

Battery

Duration14 hours to 11 days8 hours to 30 days1 year7 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution205 x 148n/a88 x 88208 x 208384 x 480
Size1.38 inchesn/aNA1.04 inches40mm
Touch
TypeLCDn/aNALCDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuilt-inWatchOS 5
Apps
Music

All Wearables