Misfit Flash vs. Casio WSD-F20A vs. Michael Kors Access Sofie vs. Garmin Vivofit 4 vs. Amazfit T-Rex

 
Flash
WSD-F20A
Access Sofie
Vivofit 4
T-Rex
 MisfitFlashRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess SofieRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$30$399$395$79.95$140
Release20142018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months1 day1 day1 year20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320390 x 390 1.19 inches88 x 88360 x 360
Sizen/a1.32 inchesNA1.3 inches
Touchn/aAMOLDED
Typen/aLCDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid Wear 2.0Build-in
Apps
Music

All Wearables