Samsung Gear S3 vs. Sony SmartBand 2 vs. Casio WSD-F20A vs. Fitbit Charge

 
Gear S3
SmartBand 2
WSD-F20A
Charge
 SamsungGear S3Remove Buy NowSonySmartBand 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$350$130$399$130
Release2016201520182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleepn/a
Steps
Swim

Battery

Duration4 days2 days1 day7-10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Colorn/a
Resolution360 x 360n/a320 x 320NA
Size1.3 inchesn/a1.32 inchesNA
Touchn/aNA
TypeFullcolor AODn/aLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP585 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aWear OSNA
Apps
Music

All Wearables