Garmin Vivoactive HR vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Vivoactive HR
Grayson
Alta HR
Access Sofie HR
Grayson
T-Rex
 GarminVivoactive HRRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$350$150$395$350$140
Release201620182017201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days24 hours7 days2 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205453 x 454128 x 36390 x 390453x454360 x 360
Size1.38 inches1.39 inches1.4 inches1.19 inches1.39 inches1.3 inches
Touch
Typen/aAMOLEDOLEDOMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM0.3 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWear OSAndroid WearBuild-in
Apps
Music

All Wearables