Garmin Forerunner 735XT vs. Polar Loop 2 vs. Michael Kors Grayson vs. Fitbit Charge HR vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Forerunner 735XT
Loop 2
Grayson
Charge HR
Grayson
Vivosmart 4
 GarminForerunner 735XTRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge HRRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$450$120$350$150$350$130
Release201620152018201520182018

Activity & Fitness

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

Battery

Duration14 hours to 11 days8 days (without notifications)24 hours5 days24 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180n/a453 x 454NA453x45448 x 128
Size1.23 inchesn/a1.39 inchesNA1.39 inches0.74 inches
Touchn/aNA
Typen/aLEDAMOLEDOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM1 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables