Asus VivoWatch vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson vs. Amazfit T-Rex vs. Fitbit Sense 2

 
VivoWatch
Grayson
A370
Grayson
T-Rex
Sense 2
 AsusVivoWatchRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$160$350$179.95$350$140$300
Release201820182017201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours to 10 days24 hoursUp to 3 days24 hours20 days6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 128453 x 454160 x 80453x454360 x 360336x336
SizeNA1.39 inches1.18 inches1.39 inches1.3 inches1.59 inches
Touch
TypeNAAMOLEDTFT LCDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIP671 ATMWR301 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemKoodOSAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables