Polar M400 vs. Apple Watch Series 2 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Fossil Gen 5 Smartwatch Carlyle vs. Fitbit Inspire 3

 
M400
Watch Series 2
Grayson
Grayson
Gen 5 Smartwatch Carlyle
Inspire 3
 PolarM400Remove Buy NowAppleWatch Series 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$200$269$350$350$295$100
Release201420162018201820192022

Activity & Fitness

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

Battery

Duration8 hours to 30 days18 hours24 hours24 hours1 day10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312453 x 454453x454328 x 32832x18
Sizen/a1.5 inches or 1.65 inches1.39 inches1.39 inches1.3 inches46 inches
Touch
Typen/aAMOLEDAMOLEDAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5ATM1 ATM1 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid WearAndroid WearWear OS
Apps
Music

All Wearables