Samsung Gear S vs. Polar Loop 2 vs. Michael Kors Grayson vs. Garmin Forerunner 45 vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Gear S
Loop 2
Grayson
Forerunner 45
Grayson
Vivosmart 4
 SamsungGear SRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$120$350$199$350$130
Release201320152018201920182018

Activity & Fitness

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

Battery

Durationn/a8 days (without notifications)24 hours7 days24 hours7 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/a453 x 454208 x 208453x45448 x 128
Size2 inchesn/a1.39 inches1.04 inches1.39 inches0.74 inches
Touch
TypeSuper AMOLEDLEDAMOLEDLCDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP672 ATM1 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aAndroid WearBuilt-inAndroid Wear
Apps
Music

All Wearables