Motorola Moto 360 (2nd Gen) vs. Garmin 645 Music vs. Jawbone UP4 vs. Apple Watch Series 4 vs. Amazfit GTR

 
Moto 360 (2nd Gen)
645 Music
UP4
Watch Series 4
GTR
 MotorolaMoto 360 (2nd Gen)Remove Buy NowGarmin645 MusicRemove Buy NowJawboneUP4Remove Buy NowAppleWatch Series 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$300$450$200$329$199
Release20152018201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days7 daysNANot Yet24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330240 x 240NA384 x 480454 x 454
Size1.37 inches or 1.56 inches1.2 inchesNA1.78 inches1.39 inches
TouchNA
TypeLCDMIPNAMicroLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATMNANot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNAWatch OS 5Build-in
Apps
Musicn/aNA

All Wearables