Basis Peak vs. Casio WSD-F20A vs. Garmin 645 Music vs. Garmin Vivofit 4 vs. Michael Kors Access Sofie HR

 
Peak
WSD-F20A
645 Music
Vivofit 4
Access Sofie HR
 BasisPeakRemove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$200$399$450$79.95$395
Release20142018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4 days1 day7 days1 year2 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144320 x 320240 x 24088 x 88390 x 390
Size1.25 inches1.32 inches1.2 inchesNA1.19 inches
Touch
TypeLCDLCDMIPNAOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWear OSWear OS
Apps
Music

All Wearables