Amazfit Arc vs. Garmin 645 Music vs. Garmin Fenix 5x Plus vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson

 
Arc
645 Music
Fenix 5x Plus
Grayson
A370
Grayson
 AmazfitArcRemove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5x PlusRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$69.99$450$850$350$179.95$350
Release201620182018201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days7 days20 days24 hoursUp to 3 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40240 x 240240 x 240453 x 454160 x 80453x454
Size0.42 inches1.2 inches1.2 inches1.39 inches1.18 inches1.39 inches
Touch
TypeOLEDMIPMIPAMOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM10 ATM1 ATMWR301 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid WearAndroid Wear
Apps
Music

All Wearables