Basis Peak vs. Casio WSD-F20A vs. Garmin 645 Music vs. Fitbit Flex vs. Apple Watch Series 4

 
Peak
WSD-F20A
645 Music
Flex
Watch Series 4
 BasisPeakRemove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$200$399$450$100$329
Release20142018201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4 days1 day7 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144320 x 320240 x 240NA384 x 480
Size1.25 inches1.32 inches1.2 inchesNA1.78 inches
TouchNA
TypeLCDLCDMIPLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM1 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWear OSNAWatch OS 5
Apps
Music

All Wearables