Polar M400 vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Motorola Moto 360 (1st Gen) vs. Mobvoi TicWatch S2

 
M400
WSD-F20A
Forerunner 235
Moto 360 (1st Gen)
TicWatch S2
 PolarM400Remove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowMobvoiTicWatch S2Remove Buy Now

Basic Info

Suggested Price$200$399$299.99$150$180
Release20142018201720142019

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 day9 days1 day2 DAYS
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320215 x 180320 x 260400 x 400
Sizen/a1.32 inches1.23 inches1.56 inches1.39 inches
Touch
Typen/aLCDMIPLCDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid WearWear OS
Apps
MusicNA

All Wearables