Samsung Gear S2 vs. Withings Activite Sapphire vs. Amazfit Stratos vs. Fitbit Versa vs. Garmin Vivosmart 4

 
Gear S2
Activite Sapphire
Stratos
Versa
Vivosmart 4
 SamsungGear S2Remove Buy NowWithingsActivite SapphireRemove Buy NowAmazfitStratosRemove Buy NowFitbitVersaRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$300$450$199$199.99$130
Release20152014201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days8 months5 days4 days7 days
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/a320 x 300300 x30048 x 128
Size1.2 inches1.3 inches1.34 inches1.34 inches0.74 inches
Touch
TypeSuper AMOLEDAnalogOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aProprietary
Apps
Music

All Wearables