Garmin Fenix 5s vs. Michael Kors Grayson vs. Polar A370 vs. Garmin Forerunner 45 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Fenix 5s
Grayson
A370
Forerunner 45
Grayson
T-Rex
 GarminFenix 5sRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$599.99$350$179.95$199$350$140
Release201720182017201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 9 days24 hoursUp to 3 days7 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218x 218453 x 454160 x 80208 x 208453x454360 x 360
Size1.1 inches1.39 inches1.18 inches1.04 inches1.39 inches1.3 inches
Touch
TypenaAMOLEDTFT LCDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10ATM1 ATMWR305 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearBuilt-inAndroid WearBuild-in
Apps
Music

All Wearables