Polar M400 vs. Mobvoi TicWatch 2 vs. Asus ZenWatch vs. Casio G-Shock GBA800 vs. Amazfit T-Rex

 
M400
TicWatch 2
ZenWatch
G-Shock GBA800
T-Rex
 PolarM400Remove Buy NowMobvoiTicWatch 2Remove Buy NowAsusZenWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$199$150$120$140
Release20142017201420182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days1.5-2 DaysNA2 years20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400320 x 320360 x 360
Sizen/a1.4 inches1.63 inches1.3 inches
Touch
Typen/aOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP65IP5520 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aTicwear OSAndroid WearBuild-in
Apps
Music

All Wearables