Polar M400 vs. Michael Kors Grayson vs. Polar Loop vs. Michael Kors Grayson vs. Fossil Gen 5 Smartwatch Carlyle vs. Garmin VivoActive 4

 
M400
Grayson
Loop
Grayson
Gen 5 Smartwatch Carlyle
VivoActive 4
 PolarM400Remove Buy NowMichael KorsGraysonRemove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$350$100$350$295$349
Release201420182013201820192019

Activity & Fitness

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

Battery

Duration8 hours to 30 days24 hours5 days24 hours1 day8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454NA453x454328 x 328260 x 260
Sizen/a1.39 inchesNA1.39 inches1.3 inches1.3ionches
Touch
Typen/aAMOLEDLEDAMOLEDAMOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM1 ATM2 ATM1 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAAndroid WearWear OSWear OS
Apps
Music

All Wearables