Fitbit Alta vs. Apple Watch Series 2 vs. ASUS ZenWatch 3 vs. Casio WSD-F20A vs. Apple Watch Series 5

 
Alta
Watch Series 2
ZenWatch 3
WSD-F20A
Watch Series 5
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 5Remove Buy Now

Basic Info

Suggested Price$130$269$229$399$329
Release20162016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours48 hours1 dayNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312400 x 400320 x 320384 x 480
Sizen/a1.5 inches or 1.65 inches1.39 inches1.32 inches1.78 Inches
Touchn/a
TypeOLEDAMOLEDAMOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM5 ATMNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2Wear OSWatchOS 5
Apps
Music

All Wearables