Fossil Q Grant vs. Casio WSD-F20A vs. Fossil Explorist vs. Fitbit Charge HR vs. Amazfit T-Rex

 
Q Grant
WSD-F20A
Explorist
Charge HR
T-Rex
 FossilQ GrantRemove Buy NowCasioWSD-F20ARemove Buy NowFossilExploristRemove Buy NowFitbitCharge HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$175$399$255$150$140
Release20152018201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days1 day24 hours5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320454 x454NA360 x 360
Sizen/a1.32 inches1.4 inchesNA1.3 inches
Touchn/aNA
Typen/aLCDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWear OSNABuild-in
Apps
Music

All Wearables