Fitbit Blaze vs. Casio WSD-F20A vs. Garmin 645 Music vs. Fitbit Charge vs. Fitbit Flex

 
Blaze
WSD-F20A
645 Music
Charge
Flex
 FitbitBlazeRemove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$399$450$130$100
Release20162018201820142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days1 day7 days7-10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320240 x 240NANA
Sizen/a1.32 inches1.2 inchesNANA
TouchNANA
TypeLCDLCDMIPOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNANA
Apps
Music

All Wearables