Samsung Gear S vs. Fitbit Charge 2 vs. Asus VivoWatch vs. Fitbit Alta HR vs. Garmin Vivofit 4

 
Gear S
Charge 2
VivoWatch
Alta HR
Vivofit 4
 SamsungGear SRemove Buy NowFitbitCharge 2Remove Buy NowAsusVivoWatchRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$250$150$160$150$79.95
Release20132016201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days24 hours to 10 days7 days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360n/a128 x 128128 x 3688 x 88
Size2 inchesn/aNA1.4 inchesNA
Touchn/a
TypeSuper AMOLEDOLEDNAOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIP67n/aIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aKoodOS
Apps
Music

All Wearables