Samsung Gear S2 vs. Fitbit One vs. Apple Watch vs. Casio WSD-F20A vs. Fitbit Alta HR

 
Gear S2
One
Watch
WSD-F20A
Alta HR
 SamsungGear S2Remove Buy NowFitbitOneRemove Buy NowAppleWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$300$100$349$399$150
Release20152012201520182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days10-14 days18 hours1 day7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360n/a340 x 272 or 390 x 312320 x 320128 x 36
Size1.2 inchesn/a1.5 inches or 1.65 inches1.32 inches1.4 inches
Touch
TypeSuper AMOLEDOLEDAMOLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68Splast ResistantIPX75 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aWatch OSWear OS
Apps
Music

All Wearables