Polar M400 vs. Apple Watch vs. Garmin Forerunner 235 vs. Apple SE vs. Fitbit Sense 2

 
M400
Watch
Forerunner 235
SE
Sense 2
 PolarM400Remove Buy NowAppleWatchRemove Buy NowGarminForerunner 235Remove Buy NowAppleSERemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$200$349$299.99$279$300
Release20142015201720202022

Activity & Fitness

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

Battery

Duration8 hours to 30 days18 hours9 days18 hours6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312215 x 180384 x 480336x336
Sizen/a1.5 inches or 1.65 inches1.23 inches40mm1.59 inches
Touch
Typen/aAMOLEDMIPMicroLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance3 ATMIPX75 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWatchOS 5
Apps
Music

All Wearables