Polar Loop 2 vs. Garmin 645 Music vs. Garmin Vivoactive 3 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. HTC re Grip

 
Loop 2
645 Music
Vivoactive 3
Grayson
Grayson
re Grip
 PolarLoop 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivoactive 3Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$120$450$299$350$350$199
Release201520182017201820182020

Activity & Fitness

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

Battery

Duration8 days (without notifications)7 days7 days24 hours24 hours5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240240 x 240453 x 454453x454160 x 32
Sizen/a1.2 inches1.2 inches1.39 inches1.39 inches1.8 inches
Touch
TypeLEDMIPMIPAMOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM5 ATM1 ATM1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearNA
Apps
Music

All Wearables