Garmin Vivoactive HR vs. Polar M400 vs. Asus ZenWatch vs. Casio G-Shock GBA800 vs. Amazfit T-Rex

 
Vivoactive HR
M400
ZenWatch
G-Shock GBA800
T-Rex
 GarminVivoactive HRRemove Buy NowPolarM400Remove Buy NowAsusZenWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$200$150$120$140
Release20162014201420182019

Activity & Fitness

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

Battery

Duration13 hours to 8 days8 hours to 30 daysNA2 years20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205n/a320 x 320360 x 360
Size1.38 inchesn/a1.63 inches1.3 inches
Touch
Typen/an/aAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP5520 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearBuild-in
Apps
Music

All Wearables