Samsung Gear S2 vs. Garmin Vivosmart vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Casio WSD-F20A

 
Gear S2
Vivosmart
Watch Series 2
Ionic
WSD-F20A
 SamsungGear S2Remove Buy NowGarminVivosmartRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$300$170$269$299$399
Release20152014201620172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days7 days18 hours4+ days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360128 x 16340 x 272 or 390 x 312348x250320 x 320
Size1.2 inches1.41 inches1.5 inches or 1.65 inches1.421.32 inches
Touch
TypeSuper AMOLEDOLEDAMOLEDOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5ATM50m5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aWatch OSFitbit OSWear OS
Apps
Music

All Wearables