Polar Loop 2 vs. Garmin 645 Music vs. Motorola Moto 360 (1st Gen) vs. Michael Kors Access Runway vs. Amazfit GTR

 
Loop 2
645 Music
Moto 360 (1st Gen)
Access Runway
GTR
 PolarLoop 2Remove Buy NowGarmin645 MusicRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowMichael KorsAccess RunwayRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$120$450$150$350$199
Release20152018201420182019

Activity & Fitness

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

Battery

Duration8 days (without notifications)7 days1 day1 day24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240320 x 260390 x 390454 x 454
Sizen/a1.2 inches1.56 inches1.19 inches1.39 inches
Touch
TypeLEDMIPLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATMIP673 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWear OSBuild-in
Apps
MusicNA

All Wearables