Fossil Q Dreamer vs. Casio WSD-F20A vs. Garmin 645 Music vs. Garmin Vivofit 4 vs. Amazfit GTR

 
Q Dreamer
WSD-F20A
645 Music
Vivofit 4
GTR
 FossilQ DreamerRemove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$125$399$450$79.95$199
Release20152018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days1 day7 days1 year24 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320240 x 24088 x 88454 x 454
Sizen/a1.32 inches1.2 inchesNA1.39 inches
Touchn/a
Typen/aLCDMIPNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuild-in
Apps
Music

All Wearables