Garmin Forerunner 225 vs. Samsung Gear S2 vs. Garmin 645 Music vs. Michael Kors Grayson vs. Michael Kors Grayson vs. HTC re Grip

 
Forerunner 225
Gear S2
645 Music
Grayson
Grayson
re Grip
 GarminForerunner 225Remove Buy NowSamsungGear S2Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$300$300$450$350$350$199
Release201520152018201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks2-3 days7 days24 hours24 hours5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution180 x 180360 x 360240 x 240453 x 454453x454160 x 32
Size1 inch1.2 inches1.2 inches1.39 inches1.39 inches1.8 inches
Touch
Typen/aSuper AMOLEDMIPAMOLEDAMOLEDPMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP685 ATM1 ATM1 ATMIP57

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aTizenAndroid WearAndroid WearNA
Appsn/a
Musicn/a

All Wearables