Fitbit Alta vs. Casio WSD-F20A vs. Garmin Chronos vs. Fitbit Flex vs. Amazfit GTR

 
Alta
WSD-F20A
Chronos
Flex
GTR
 FitbitAltaRemove Buy NowCasioWSD-F20ARemove Buy NowGarminChronosRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$130$399$1500$100$199
Release20162018201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day8 days5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320218 x 218NA454 x 454
Sizen/a1.32 inches1.2 inchesNA1.39 inches
Touchn/aNA
TypeOLEDLCDMIPLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM10 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWear OSWear OSNABuild-in
Apps
Music

All Wearables