Casio WSD-F20A vs. Fitbit Charge vs. Misfit Flare vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
WSD-F20A
Charge
Flare
Forerunner 45
T-Rex
 CasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowMisfitFlareRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$399$130$59.95$199$140
Release20182014201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day7-10 days4 months7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NANA208 x 208360 x 360
Size1.32 inchesNANA1.04 inches1.3 inches
TouchNA
TypeLCDOLEDLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNABuilt-inBuild-in
Apps
Music

All Wearables