Samsung Gear S vs. Polar Loop 2 vs. Garmin Vivosmart 4 vs. Amazfit GTR vs. Garmin VivoActive 4

 
Gear S
Loop 2
Vivosmart 4
GTR
VivoActive 4
 SamsungGear SRemove Buy NowPolarLoop 2Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitGTRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$250$120$130$199$349
Release20132015201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a8 days (without notifications)7 days24 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360n/a48 x 128454 x 454260 x 260
Size2 inchesn/a0.74 inches1.39 inches1.3ionches
Touch
TypeSuper AMOLEDLEDOLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP672 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aBuild-inWear OS
Apps
Music

All Wearables