Garmin Fenix 3 vs. Michael Kors Grayson vs. Mobvoi TicWatch S vs. Fitbit Alta HR vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Fenix 3
Grayson
TicWatch S
Alta HR
Grayson
T-Rex
 GarminFenix 3Remove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch SRemove Buy NowFitbitAlta HRRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$500$350$199$150$350$140
Release201520182017201720182019

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks24 hours1.5-2 days7 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218453 x 454400 x 400128 x 36453x454360 x 360
Size1.2 inches1.39 inches1.4 inches1.4 inches1.39 inches1.3 inches
Touch
TypeChroma LEDAMOLEDOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM1 ATMIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid Wear 2.0Android WearBuild-in
Apps
Music

All Wearables