Polar M400 vs. Huawei Watch 2 vs. Diesel On Full Guard vs. Polar A370 vs. Fitbit Inspire 3

 
M400
Watch 2
On Full Guard
A370
Inspire 3
 PolarM400Remove Buy NowHuaweiWatch 2Remove Buy NowDieselOn Full GuardRemove Buy NowPolarA370Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$200$350$325$179.95$100
Release20142017201720172022

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours1 dayUp to 3 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 480454 x 454160 x 8032x18
Sizen/a1.38 inches1.4 inches1.18 inches46 inches
Touch
Typen/aP-OLEDOMOLEDTFT LCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68IP67WR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Android Wear 2.0
Apps
Music

All Wearables