Casio WSD-F20A vs. Garmin Forerunner 235 vs. Michael Kors Access Sofie vs. Sony SmartBand vs. Amazfit T-Rex

 
WSD-F20A
Forerunner 235
Access Sofie
SmartBand
T-Rex
 CasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowMichael KorsAccess SofieRemove Buy NowSonySmartBandRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$399$299.99$395$100$140
Release20182017201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day9 days1 day5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution320 x 320215 x 180390 x 390 1.19 inchesNA360 x 360
Size1.32 inches1.23 inchesNA1.3 inches
TouchAMOLDEDNA
TypeLCDMIPNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMIP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid Wear 2.0NABuild-in
Apps
Music

All Wearables