Garmin Forerunner 225 vs. Polar M430 vs. Amazfit Stratos vs. Garmin Vivosmart 4 vs. Apple Watch 7

 
Forerunner 225
M430
Stratos
Vivosmart 4
Watch 7
 GarminForerunner 225Remove Buy NowPolarM430Remove Buy NowAmazfitStratosRemove Buy NowGarminVivosmart 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$300$255$199$130$429
Release20152017201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks30 hours5 days7 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180128x128320 x 30048 x 128396 x 484
Size1 inch1.4 inch1.34 inches0.74 inches1.9 inches
Touch
Typen/aLCDOLEDOLEDMicroLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATM5 ATMwater resistant but not waterproof

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aProprietaryWatchOS 8
Appsn/a
Musicn/a

All Wearables