Garmin Forerunner 225 vs. Polar M400 vs. Fitbit Ionic vs. Casio G-Shock GBA800 vs. Fitbit Sense 2

 
Forerunner 225
M400
Ionic
G-Shock GBA800
Sense 2
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$300$200$299$120$300
Release20152014201720182022

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days4+ days2 years6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a348x250336x336
Size1 inchn/a1.421.59 inches
Touch
Typen/an/aOLEDAMOLED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM50m20 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aFitbit OS
Appsn/a
Musicn/a

All Wearables