Fitbit Ionic vs. Apple Watch vs. Casio WSD-F20A vs. Fitbit Charge vs. Garmin Forerunner 45

 
Ionic
Watch
WSD-F20A
Charge
Forerunner 45
 FitbitIonicRemove Buy NowAppleWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$299$349$399$130$199
Release20172015201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days18 hours1 day7-10 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250340 x 272 or 390 x 312320 x 320NA208 x 208
Size1.421.5 inches or 1.65 inches1.32 inchesNA1.04 inches
TouchNA
TypeOLEDAMOLEDLCDOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIPX75 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSWatch OSWear OSNABuilt-in
Apps
Music

All Wearables