Apple Watch Series 3 vs. Polar M400 vs. Apple Watch Series 2 vs. Garmin Fenix 5 vs. Amazfit GTR

 
Watch Series 3
M400
Watch Series 2
Fenix 5
GTR
 AppleWatch Series 3Remove Buy NowPolarM400Remove Buy NowAppleWatch Series 2Remove Buy NowGarminFenix 5Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$329$200$269$599.99$199
Release20172014201620172019

Activity & Fitness

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

Battery

Duration18 hours8 hours to 30 days18 hours2 Weeks24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a340 x 272 or 390 x 312240 x 240454 x 454
Size1.5 inches or 1.65 inchesn/a1.5 inches or 1.65 inches1.2 inches1.39 inches
Touch
TypeAMOLEDn/aAMOLEDnaAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aWatch OSBuild-in
Apps
Music

All Wearables