Fitbit One vs. Garmin Vivosmart vs. Asus VivoWatch vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex

 
One
Vivosmart
VivoWatch
Grayson
Grayson
T-Rex
 FitbitOneRemove Buy NowGarminVivosmartRemove Buy NowAsusVivoWatchRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$170$160$350$350$140
Release201220142018201820182019

Activity & Fitness

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

Battery

Duration10-14 days7 days24 hours to 10 days24 hours24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 16128 x 128453 x 454453x454360 x 360
Sizen/a1.41 inchesNA1.39 inches1.39 inches1.3 inches
Touch
TypeOLEDOLEDNAAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATMIP671 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aKoodOSAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables