Garmin Vivoactive HR vs. Casio WSD-F20A vs. Fitbit Charge 3 vs. Amazfit T-Rex vs. Apple SE

 
Vivoactive HR
WSD-F20A
Charge 3
T-Rex
SE
 GarminVivoactive HRRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$250$399$150$140$279
Release20162018201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days1 day7 days20 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution148 x 205320 x 32066 x 18360 x 360384 x 480
Size1.38 inches1.32 inches.721 inches1.3 inches40mm
Touch
Typen/aLCDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNABuild-inWatchOS 5
Apps
Music

All Wearables