Polar M400 vs. Asus ZenWatch vs. Garmin Fenix 5x Plus vs. Polar A370 vs. Garmin VivoActive 4

 
M400
ZenWatch
Fenix 5x Plus
A370
VivoActive 4
 PolarM400Remove Buy NowAsusZenWatchRemove Buy NowGarminFenix 5x PlusRemove Buy NowPolarA370Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$150$850$179.95$349
Release20142014201820172019

Activity & Fitness

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

Battery

Duration8 hours to 30 daysNA20 daysUp to 3 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320240 x 240160 x 80260 x 260
Sizen/a1.63 inches1.2 inches1.18 inches1.3ionches
Touch
Typen/aAMOLEDMIPTFT LCDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP5510 ATMWR305 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OSWear OS
Apps
Music

All Wearables