Apple Watch Series 3 vs. Polar M400 vs. Fitbit Charge vs. Garmin Vivosmart HR Plus vs. Apple Watch 8

 
Watch Series 3
M400
Charge
Vivosmart HR Plus
Watch 8
 AppleWatch Series 3Remove Buy NowPolarM400Remove Buy NowFitbitChargeRemove Buy NowGarminVivosmart HR PlusRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$329$200$130$179$499
Release20172014201420172022

Activity & Fitness

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

Battery

Duration18 hours8 hours to 30 days7-10 days5 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/aNA160 x 68340 x 272 or 390 x 312
Size1.5 inches or 1.65 inchesn/aNA0.5 inches x 0.8 inches1.5 inches or 1.65 inches
TouchNA
TypeAMOLEDn/aOLEDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aNANAWatchOS 9
Apps
Music

All Wearables