Garmin Forerunner 225 vs. Fitbit Ionic vs. Garmin 645 Music vs. Fitbit Charge HR vs. Apple Watch Ultra

 
Forerunner 225
Ionic
645 Music
Charge HR
Watch Ultra
 GarminForerunner 225Remove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$300$299$450$150$799
Release20152017201820152022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks4+ days7 days5 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180348x250240 x 240NA502x410 pixels
Size1 inch1.421.2 inchesNA1.92 inches
TouchNA
Typen/aOLEDMIPOLED

Functions

Audio Speaker22
ClockLTPO OLED Retina
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m5 ATM1 ATM10 ATM (100 Meters)

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aFitbit OSNAWatchOS 9
Appsn/a
Musicn/a

All Wearables