Casio WSD-F20A vs. Garmin Vivofit 4 vs. Jaybird Reign vs. LG G Watch R vs. Amazfit T-Rex

 
WSD-F20A
Vivofit 4
Reign
G Watch R
T-Rex
 CasioWSD-F20ARemove Buy NowGarminVivofit 4Remove Buy NowJaybirdReignRemove Buy NowLGG Watch RRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$399$79.95$150$300$140
Release20182018201520142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day1 year5 days2 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNAn/a
MacNAn/a
WindowsNAn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 32088 x 88NA320 x 320360 x 360
Size1.32 inchesNANA1.3 inches1.3 inches
TouchNA
TypeLCDNALEDP-OLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNAIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNAAndroid WearBuild-in
Apps
Music

All Wearables