Polar M400 vs. Garmin Vivosmart vs. Huawei Watch 2 vs. Amazfit Stratos vs. Fitbit Inspire HR

 
M400
Vivosmart
Watch 2
Stratos
Inspire HR
 PolarM400Remove Buy NowGarminVivosmartRemove Buy NowHuaweiWatch 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$200$170$350$199$99
Release20142014201720182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days48 hours5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 16480 x 480320 x 300139 x 60
Sizen/a1.41 inches1.38 inches1.34 inches1.4 inches
Touch
Typen/aOLEDP-OLEDOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2ProprietaryFitbit OS
Apps
Music

All Wearables