Michael Kors Grayson vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Michael Kors Grayson vs. Amazfit GTR vs. Apple Watch 7

 
Grayson
Flex
Forerunner 45
Grayson
GTR
Watch 7
 Michael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$350$100$199$350$199$429
Release201820132019201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours5 days7 days24 hours24 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454NA208 x 208453x454454 x 454396 x 484
Size1.39 inchesNA1.04 inches1.39 inches1.39 inches1.9 inches
TouchNA
TypeAMOLEDLEDLCDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM1 ATM5 ATM1 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNABuilt-inAndroid WearBuild-inWatchOS 8
Apps
Music

All Wearables