Fitbit Alta vs. Microsoft Band 2 vs. Casio WSD-F20A vs. Apple Watch Series 4

 
Alta
Band 2
WSD-F20A
Watch Series 4
 FitbitAltaRemove Buy NowMicrosoftBand 2Remove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$130$250$399$329
Release2016201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours (without GPS)1 dayNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128320 x 320384 x 480
Sizen/a1.36 inches1.32 inches1.78 inches
Touchn/a
TypeOLEDCapacitative TFTLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX75 ATMNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWear OSWatch OS 5
Apps
Music

All Wearables