Fitbit Ionic vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Apple Series 6

 
Ionic
G-Shock GBA800
645 Music
Grayson
Grayson
Series 6
 FitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$299$120$450$350$350$399
Release201720182018201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days2 years7 days24 hours24 hoursNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250240 x 240453 x 454453x454384 x 480
Size1.421.2 inches1.39 inches1.39 inches40mm
Touch
TypeOLEDMIPAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance50m20 ATM5 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid WearAndroid WearWatchOS 5
Apps
Music

All Wearables