Garmin Forerunner 225 vs. Fitbit Ionic vs. Garmin 645 Music vs. Fitbit Charge 3 vs. Apple Watch 7

 
Forerunner 225
Ionic
645 Music
Charge 3
Watch 7
 GarminForerunner 225Remove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge 3Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$300$299$450$150$429
Release20152017201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks4+ days7 days7 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution180 x 180348x250240 x 24066 x 18396 x 484
Size1 inch1.421.2 inches.721 inches1.9 inches
Touch
Typen/aOLEDMIPOLEDMicroLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m5 ATM5 ATMwater resistant but not waterproof

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aFitbit OSNAWatchOS 8
Appsn/a
Musicn/a

All Wearables