Garmin Forerunner 225 vs. Amazfit Stratos vs. Garmin 645 Music vs. Apple Watch Series 4 vs. Fitbit Inspire HR

 
Forerunner 225
Stratos
645 Music
Watch Series 4
Inspire HR
 GarminForerunner 225Remove Buy NowAmazfitStratosRemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch Series 4Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$300$199$450$329$99
Release20152018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days7 daysNot Yet5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180320 x 300240 x 240384 x 480139 x 60
Size1 inch1.34 inches1.2 inches1.78 inches1.4 inches
Touch
Typen/aOLEDMIPMicroLEDOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMNot Yet5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aProprietaryWatch OS 5Fitbit OS
Appsn/a
Musicn/a

All Wearables