Garmin Vivosmart HR vs. Asus VivoWatch vs. Michael Kors Grayson vs. Garmin Forerunner 45 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Vivosmart HR
VivoWatch
Grayson
Forerunner 45
Grayson
T-Rex
 GarminVivosmart HRRemove Buy NowAsusVivoWatchRemove Buy NowMichael KorsGraysonRemove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$170$160$350$199$350$140
Release201520182018201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 days24 hours7 days24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68128 x 128453 x 454208 x 208453x454360 x 360
Size1.08 inchesNA1.39 inches1.04 inches1.39 inches1.3 inches
Touch
Typen/aNAAMOLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSAndroid WearBuilt-inAndroid WearBuild-in
Apps
Music

All Wearables