Fitbit Flex 2 vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Michael Kors Grayson vs. Apple Watch 8

 
Flex 2
WSD-F20A
Grayson
Vivofit 4
Grayson
Watch 8
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$100$399$350$79.95$350$499
Release201620182018201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day24 hours1 year24 hours18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320453 x 45488 x 88453x454340 x 272 or 390 x 312
Sizen/a1.32 inches1.39 inchesNA1.39 inches1.5 inches or 1.65 inches
Touchn/a
TypeLEDLCDAMOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid WearAndroid WearWatchOS 9
Apps
Music

All Wearables