Michael Kors Grayson vs. Mobvoi TicWatch S vs. Garmin Vivofit 4 vs. Sony SmartBand vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Grayson
TicWatch S
Vivofit 4
SmartBand
Grayson
T-Rex
 Michael KorsGraysonRemove Buy NowMobvoiTicWatch SRemove Buy NowGarminVivofit 4Remove Buy NowSonySmartBandRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$350$199$79.95$100$350$140
Release201820172018201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours1.5-2 days1 year5 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution453 x 454400 x 40088 x 88NA453x454360 x 360
Size1.39 inches1.4 inchesNANA1.39 inches1.3 inches
TouchNA
TypeAMOLEDOLEDNANAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMIP675 ATMIP581 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid Wear 2.0NAAndroid WearBuild-in
Apps
Music

All Wearables