Garmin Forerunner 225 vs. Polar Loop 2 vs. Garmin 645 Music vs. Michael Kors Access Runway vs. Amazfit GTR

 
Forerunner 225
Loop 2
645 Music
Access Runway
GTR
 GarminForerunner 225Remove Buy NowPolarLoop 2Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess RunwayRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$300$120$450$350$199
Release20152015201820182019

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 days (without notifications)7 days1 day24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a240 x 240390 x 390454 x 454
Size1 inchn/a1.2 inches1.19 inches1.39 inches
Touch
Typen/aLEDMIPAMOLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATM3 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aWear OSBuild-in
Appsn/a
Musicn/a

All Wearables