Fitbit Ionic vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. LG G Watch vs. Amazfit T-Rex

 
Ionic
WSD-F20A
Forerunner 235
G Watch
T-Rex
 FitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowLGG WatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299$399$299.99$230$140
Release20172018201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days1 day9 days1.5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 320215 x 180280 x 280360 x 360
Size1.421.32 inches1.23 inches1.65 inches1.3 inches
Touch
TypeOLEDLCDMIPIPS LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSWear OSAndroid WearBuild-in
Apps
Music

All Wearables