Garmin Forerunner 225 vs. Amazfit Stratos vs. Fitbit Alta HR vs. Apple Watch Series 4 vs. Apple Watch 7

 
Forerunner 225
Stratos
Alta HR
Watch Series 4
Watch 7
 GarminForerunner 225Remove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$300$199$150$329$429
Release20152018201720182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days7 daysNot Yet18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180320 x 300128 x 36384 x 480396 x 484
Size1 inch1.34 inches1.4 inches1.78 inches1.9 inches
Touch
Typen/aOLEDOLEDMicroLEDMicroLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNot Yetwater resistant but not waterproof

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aProprietaryWatch OS 5WatchOS 8
Appsn/a
Musicn/a

All Wearables