Samsung Gear S2 vs. Garmin Forerunner 235 vs. Fitbit Charge HR vs. Amazfit GTS vs. Garmin VivoActive 4

 
Gear S2
Forerunner 235
Charge HR
GTS
VivoActive 4
 SamsungGear S2Remove Buy NowGarminForerunner 235Remove Buy NowFitbitCharge HRRemove Buy NowAmazfitGTSRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$300$299.99$150$150$349
Release20152017201520192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days9 days5 days14 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360215 x 180NA348 x 442260 x 260
Size1.2 inches1.23 inchesNA1.65 inches1.3ionches
TouchNA
TypeSuper AMOLEDMIPOLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenNAWear OSWear OS
Apps
Music

All Wearables