Polar M400 vs. Fitbit Ionic vs. Apple Watch Series 5 vs. Garmin Forerunner 45 vs. Garmin Instinct

 
M400
Ionic
Watch Series 5
Forerunner 45
Instinct
 PolarM400Remove Buy NowFitbitIonicRemove Buy NowAppleWatch Series 5Remove Buy NowGarminForerunner 45Remove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$200$299$329$199$300
Release20142017201920192018

Activity & Fitness

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

Battery

Duration8 hours to 30 days4+ daysNot Yet7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250384 x 480208 x 208128 x 128
Sizen/a1.421.78 Inches1.04 inches0.9 inches
Touch
Typen/aOLEDMicroLEDLCDOMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM50mNot Yet5 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWatchOS 5Built-in
Apps
Music

All Wearables