Michael Kors Grayson vs. Motorola Moto 360 (1st Gen) vs. Fitbit Alta HR vs. Garmin Vivofit 4 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Grayson
Moto 360 (1st Gen)
Alta HR
Vivofit 4
Grayson
T-Rex
 Michael KorsGraysonRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$350$150$150$79.95$350$140
Release201820142017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours1 day7 days1 year24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454320 x 260128 x 3688 x 88453x454360 x 360
Size1.39 inches1.56 inches1.4 inchesNA1.39 inches1.3 inches
Touch
TypeAMOLEDLCDOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMIP675 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid WearAndroid WearBuild-in
Apps
MusicNA

All Wearables