Fitbit Zip vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Garmin Vivosport vs. Amazfit T-Rex

 
Zip
WSD-F20A
Forerunner 235
Vivosport
T-Rex
 FitbitZipRemove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowGarminVivosportRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$60$399$299.99$199$140
Release20122018201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months1 day9 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320215 x 18072 x 144360 x 360
Sizen/a1.32 inches1.23 inchesNA1.3 inches
Touch
Typen/aLCDMIPMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash Resistant5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuild-in
Apps
Music

All Wearables