Fitbit Blaze vs. TomTom Spark vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Blaze
Spark
WSD-F20A
Grayson
Grayson
T-Rex
 FitbitBlazeRemove Buy NowTomTomSparkRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$150$399$350$350$140
Release201620152018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Daysn/a1 day24 hours24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialn/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320453 x 454453x454360 x 360
Sizen/an/a1.32 inches1.39 inches1.39 inches1.3 inches
Touch
TypeLCDLCDLCDAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM1 ATM1 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aWear OSAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables