Apple Watch Series 3 vs. Polar M400 vs. Amazfit Stratos vs. Apple Watch vs. Garmin Fenix 5x Plus

 
Watch Series 3
M400
Stratos
Watch
Fenix 5x Plus
 AppleWatch Series 3Remove Buy NowPolarM400Remove Buy NowAmazfitStratosRemove Buy NowAppleWatchRemove Buy NowGarminFenix 5x PlusRemove Buy Now

Basic Info

Suggested Price$329$200$199$349$850
Release20172014201820152018

Activity & Fitness

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

Battery

Duration18 hours8 hours to 30 days5 days18 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a320 x 300340 x 272 or 390 x 312240 x 240
Size1.5 inches or 1.65 inchesn/a1.34 inches1.5 inches or 1.65 inches1.2 inches
Touch
TypeAMOLEDn/aOLEDAMOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATMIPX710 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aProprietaryWatch OSWear OS
Apps
Music

All Wearables