Garmin Forerunner 225 vs. Garmin Vivosmart vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson

 
Forerunner 225
Vivosmart
WSD-F20A
Grayson
A370
Grayson
 GarminForerunner 225Remove Buy NowGarminVivosmartRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$300$170$399$350$179.95$350
Release201520142018201820172018

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks7 days1 day24 hoursUp to 3 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180128 x 16320 x 320453 x 454160 x 80453x454
Size1 inch1.41 inches1.32 inches1.39 inches1.18 inches1.39 inches
Touch
Typen/aOLEDLCDAMOLEDTFT LCDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM1 ATMWR301 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aWear OSAndroid WearAndroid Wear
Appsn/a
Musicn/a

All Wearables