Casio WSD-F20A vs. LG Watch Urbane 2 vs. Fitbit Flex vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
WSD-F20A
Watch Urbane 2
Flex
Vivosmart 4
T-Rex
 CasioWSD-F20ARemove Buy NowLGWatch Urbane 2Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$399$300$100$130$140
Release20182015201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration1 dayNA5 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320480 x 480NA48 x 128360 x 360
Size1.32 inches1.38 inchesNA0.74 inches1.3 inches
TouchNA
TypeLCDP-OLEDLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMNA1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid WearNABuild-in
Apps
Music

All Wearables