Garmin 645 Music vs. Garmin Forerunner 235 vs. Michael Kors Grayson vs. Jawbone UP4 vs. Michael Kors Grayson vs. HTC re Grip

 
645 Music
Forerunner 235
Grayson
UP4
Grayson
re Grip
 Garmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP4Remove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$450$299.99$350$200$350$199
Release201820172018201520182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days9 days24 hoursNA24 hours5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240215 x 180453 x 454NA453x454160 x 32
Size1.2 inches1.23 inches1.39 inchesNA1.39 inches1.8 inches
TouchNA
TypeMIPMIPAMOLEDNAAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMNA1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNAAndroid WearNA
Apps
MusicNA

All Wearables