Polar A360 vs. Asus ZenWatch vs. Casio WSD-F20A vs. Garmin 645 Music vs. Amazfit GTR

 
A360
ZenWatch
WSD-F20A
645 Music
GTR
 PolarA360Remove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$200$150$399$450$199
Release20152014201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 daysNA1 day7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 80320 x 320320 x 320240 x 240454 x 454
Size1.18 inches1.63 inches1.32 inches1.2 inches1.39 inches
Touch
Typen/aAMOLEDLCDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR30IP555 ATM5 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OSBuild-in
Apps
Music

All Wearables