Fitbit Alta vs. LG Watch Sport vs. Garmin 645 Music vs. Apple Watch Series 4 vs. Amazfit GTR

 
Alta
Watch Sport
645 Music
Watch Series 4
GTR
 FitbitAltaRemove Buy NowLGWatch SportRemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch Series 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$130$349$450$329$199
Release20162016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1.45 days7 daysNot Yet24 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 480240 x 240384 x 480454 x 454
Sizen/a1.38 inches1.2 inches1.78 inches1.39 inches
Touchn/a
TypeOLEDP-OLEDMIPMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP685 ATMNot Yet5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2Watch OS 5Build-in
Apps
Music

All Wearables