Fossil Q Founder vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Garmin Vivosmart 3 vs. Amazfit T-Rex

 
Q Founder
Flex 2
WSD-F20A
Vivosmart 3
T-Rex
 FossilQ FounderRemove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarminVivosmart 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$275$100$399$139.99$140
Release20152016201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day5 days1 day5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 326n/a320 x 32064 x 128360 x 360
Size1.5 inchesn/a1.32 inchesNA1.3 inches
Touchn/a
TypeLCDLEDLCDOLEDAMOLED

Functions

Audio Speakern/a
Clock
Phone
Vibrationn/a
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWear OSBuild-in
Appsn/a
Music

All Wearables