Fitbit Ionic vs. Casio WSD-F20A vs. Xiaomi Mi Band vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
Ionic
WSD-F20A
Mi Band
Forerunner 45
T-Rex
 FitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowXiaomiMi BandRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299$399$15$199$140
Release20172018201520192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days1 day30 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution348x250320 x 320NA208 x 208360 x 360
Size1.421.32 inchesNA1.04 inches1.3 inches
TouchNA
TypeOLEDLCDNALCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSWear OSNABuilt-inBuild-in
Apps
Music

All Wearables