Pebble 2 vs. Withings Activite Sapphire vs. Casio WSD-F20A vs. Apple Watch Series 4

 
2
Activite Sapphire
WSD-F20A
Watch Series 4
 Pebble2Remove Buy NowWithingsActivite SapphireRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$129$450$399$329
Release2016201420182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days8 months1 dayNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320384 x 480
Sizen/a1.3 inches1.32 inches1.78 inches
Touch
Typee-paperAnalogLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aWear OSWatch OS 5
Apps
Music

All Wearables