Misfit Flash Link vs. Sony SmartBand Talk vs. Casio WSD-F20A vs. Apple Watch Series 4 vs. Amazfit T-Rex

 
Flash Link
SmartBand Talk
WSD-F20A
Watch Series 4
T-Rex
 MisfitFlash LinkRemove Buy NowSonySmartBand TalkRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$20$170$399$329$140
Release20152014201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months3 days1 dayNot Yet20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a296 x 128320 x 320384 x 480360 x 360
Sizen/a1.4 inches1.32 inches1.78 inches1.3 inches
Touchn/a
Typen/aE InkLCDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWear OSWatch OS 5Build-in
Apps
Music

All Wearables