Samsung Gear S2 vs. Garmin Vivofit 4 vs. Garmin Vivosmart HR Plus vs. Garmin Forerunner 45 vs. Amazfit GTS

 
Gear S2
Vivofit 4
Vivosmart HR Plus
Forerunner 45
GTS
 SamsungGear S2Remove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart HR PlusRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$300$79.95$179$199$150
Release20152018201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days1 year5 days7 days14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 36088 x 88160 x 68208 x 208348 x 442
Size1.2 inchesNA0.5 inches x 0.8 inches1.04 inches1.65 inches
Touch
TypeSuper AMOLEDNALCDLCDAMOLED

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 SystemTizenNABuilt-inWear OS
Apps
Music

All Wearables