Polar M400 vs. Polar A360 vs. Amazfit Stratos vs. Garmin Fenix 5s Plus vs. Apple Watch 8

 
M400
A360
Stratos
Fenix 5s Plus
Watch 8
 PolarM400Remove Buy NowPolarA360Remove Buy NowAmazfitStratosRemove Buy NowGarminFenix 5s PlusRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$200$200$199$799$499
Release20142015201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days12 days5 days7 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 80320 x 300240 x 240340 x 272 or 390 x 312
Sizen/a1.18 inches1.34 inches1.2 inches1.5 inches or 1.65 inches
Touch
Typen/an/aOLEDMIPAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMWR305 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietaryWear OSWatchOS 9
Apps
Music

All Wearables