Garmin Vivosmart HR vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Garmin Vivosmart 3 vs. Amazfit T-Rex

 
Vivosmart HR
WSD-F20A
Alta HR
Vivosmart 3
T-Rex
 GarminVivosmart HRRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$170$399$150$139.99$140
Release20152018201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68320 x 320128 x 3664 x 128360 x 360
Size1.08 inches1.32 inches1.4 inchesNA1.3 inches
Touch
Typen/aLCDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuild-in
Apps
Music

All Wearables