Garmin Fenix 3 vs. Polar M400 vs. Fitbit Ionic vs. Garmin Forerunner 935 vs. Apple SE

 
Fenix 3
M400
Ionic
Forerunner 935
SE
 GarminFenix 3Remove Buy NowPolarM400Remove Buy NowFitbitIonicRemove Buy NowGarminForerunner 935Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$500$200$299$500$279
Release20152014201720172020

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks8 hours to 30 days4+ daysUp to 2 weeks18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218n/a348x250240 x 240384 x 480
Size1.2 inchesn/a1.421.2 inches40mm
Touch
TypeChroma LEDn/aOLEDLCDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance10 ATM3 ATM50m5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSWatchOS 5
Apps
Music

All Wearables