Polar M400 vs. Huawei Watch 2 vs. Casio WSD-F20A vs. Motorola Moto 360 (1st Gen) vs. Fitbit Inspire HR

 
M400
Watch 2
WSD-F20A
Moto 360 (1st Gen)
Inspire HR
 PolarM400Remove Buy NowHuaweiWatch 2Remove Buy NowCasioWSD-F20ARemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$200$350$399$150$99
Release20142017201820142019

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours1 day1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 480320 x 320320 x 260139 x 60
Sizen/a1.38 inches1.32 inches1.56 inches1.4 inches
Touch
Typen/aP-OLEDLCDLCDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Wear OSAndroid WearFitbit OS
Apps
MusicNA

All Wearables