Polar M400 vs. Asus ZenWatch vs. Casio WSD-F20A vs. Mobvoi TicWatch e2

 
M400
ZenWatch
WSD-F20A
TicWatch e2
 PolarM400Remove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowMobvoiTicWatch e2Remove Buy Now

Basic Info

Suggested Price$200$150$399$200
Release2014201420182019

Activity & Fitness

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

Battery

Duration8 hours to 30 daysNA1 day1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320320 x 320360 x 360
Sizen/a1.63 inches1.32 inches1.2 inches
Touch
Typen/aAMOLEDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP555 ATMIP68

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OSWear OS
Apps
Music

All Wearables