Fitbit Alta vs. Amazfit Stratos vs. Casio WSD-F20A vs. Apple Watch Series 5 vs. Amazfit GTS

 
Alta
Stratos
WSD-F20A
Watch Series 5
GTS
 FitbitAltaRemove Buy NowAmazfitStratosRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 5Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$130$199$399$329$150
Release20162018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 dayNot Yet14 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300320 x 320384 x 480348 x 442
Sizen/a1.34 inches1.32 inches1.78 Inches1.65 inches
Touchn/a
TypeOLEDOLEDLCDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATMNot Yet5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aProprietaryWear OSWatchOS 5Wear OS
Apps
Music

All Wearables