Fitbit One vs. Garmin Fenix 5s vs. Asus ZenWatch vs. Casio WSD-F20A vs. Amazfit T-Rex

 
One
Fenix 5s
ZenWatch
WSD-F20A
T-Rex
 FitbitOneRemove Buy NowGarminFenix 5sRemove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$599.99$150$399$140
Release20122017201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 daysUp to 9 daysNA1 day20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a218x 218320 x 320320 x 320360 x 360
Sizen/a1.1 inches1.63 inches1.32 inches1.3 inches
Touch
TypeOLEDnaAMOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant10ATMIP555 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OSBuild-in
Apps
Music

All Wearables