Fitbit Blaze vs. Casio WSD-F20A vs. Garmin 645 Music vs. Fitbit Charge vs. Apple Series 6

 
Blaze
WSD-F20A
645 Music
Charge
Series 6
 FitbitBlazeRemove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$399$450$130$399
Release20162018201820142020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days1 day7 days7-10 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320240 x 240NA384 x 480
Sizen/a1.32 inches1.2 inchesNA40mm
TouchNA
TypeLCDLCDMIPOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWatchOS 5
Apps
Music

All Wearables