Garmin Forerunner 225 vs. Amazfit Bip vs. Garmin 645 Music vs. Michael Kors Grayson vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson

 
Forerunner 225
Bip
645 Music
Grayson
Access Sofie HR
Grayson
 GarminForerunner 225Remove Buy NowAmazfitBipRemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$300$99.99$450$350$395$350
Release201520182018201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks30 days7 days24 hours2 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180176 x 176240 x 240453 x 454390 x 390453x454
Size1 inch1.28 inches1.2 inches1.39 inches1.19 inches1.39 inches
Touch
Typen/aNAMIPAMOLEDOMOLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP685 ATM1 ATM0.3 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aAndroid WearWear OSAndroid Wear
Appsn/a
Musicn/a

All Wearables