Polar M400 vs. Asus ZenWatch vs. Casio G-Shock GBA800 vs. Garmin Fenix 5X vs. Garmin Forerunner 45

 
M400
ZenWatch
G-Shock GBA800
Fenix 5X
Forerunner 45
 PolarM400Remove Buy NowAsusZenWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarminFenix 5XRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$200$150$120$699$199
Release20142014201820172019

Activity & Fitness

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

Battery

Duration8 hours to 30 daysNA2 yearsUp to 12 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320240 x240208 x 208
Sizen/a1.63 inches1.2 inches1.04 inches
Touch
Typen/aAMOLEDNALCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP5520 ATM10 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearBuilt-in
Apps
Music

All Wearables