Amazfit Arc vs. Casio WSD-F20A vs. Michael Kors Access Sofie vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Arc
WSD-F20A
Access Sofie
Grayson
Grayson
Vivosmart 4
 AmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess SofieRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$69.99$399$395$350$350$130
Release201620182017201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days1 day1 day24 hours24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40320 x 320390 x 390 1.19 inches453 x 454453x45448 x 128
Size0.42 inches1.32 inches1.39 inches1.39 inches0.74 inches
TouchAMOLDED
TypeOLEDLCDAMOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid Wear 2.0Android WearAndroid Wear
Apps
Music

All Wearables