Samsung Gear S2 vs. Withings Steel HR vs. Fitbit Ionic vs. Casio G-Shock GBA800 vs. Garmin Vivofit 4

 
Gear S2
Steel HR
Ionic
G-Shock GBA800
Vivofit 4
 SamsungGear S2Remove Buy NowWithingsSteel HRRemove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$300$180$299$120$79.95
Release20152016201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days25 days4+ days2 years1 year
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 360n/a348x25088 x 88
Size1.2 inchesn/a1.42NA
Touch
TypeSuper AMOLEDn/aOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM50m20 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aFitbit OS
Apps
Music

All Wearables