Fitbit Surge vs. Withings Activite Sapphire vs. Sony SmartBand 2 vs. Casio WSD-F20A vs. Apple Watch Series 4

 
Surge
Activite Sapphire
SmartBand 2
WSD-F20A
Watch Series 4
 FitbitSurgeRemove Buy NowWithingsActivite SapphireRemove Buy NowSonySmartBand 2Remove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$250$450$130$399$329
Release20162014201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days8 months2 days1 dayNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a320 x 320384 x 480
Size1.26 inches1.3 inchesn/a1.32 inches1.78 inches
Touchn/a
TypeMonochrome LCDAnalogn/aLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP585 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWear OSWatch OS 5
Apps
Music

All Wearables