Casio WSD-F20A vs. Garmin Chronos vs. Fitbit Charge vs. Fitbit Flex vs. Apple Watch 7

 
WSD-F20A
Chronos
Charge
Flex
Watch 7
 CasioWSD-F20ARemove Buy NowGarminChronosRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$399$1500$130$100$429
Release20182018201420132021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day8 days7-10 days5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320218 x 218NANA396 x 484
Size1.32 inches1.2 inchesNANA1.9 inches
TouchNANA
TypeLCDMIPOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATM1 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWear OSNANAWatchOS 8
Apps
Music

All Wearables